Home / 7,680,492,312.70-11,520,738,469.05-5,745,574,680.70

Finding the Fourth Proportional to 7,680,492,312.70, 11,520,738,469.05 and 5,745,574,680.70

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Solution

The fourth proportional to 7,680,492,312.70, 11,520,738,469.05 and 5,745,574,680.70 is: 8,618,362,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,492,312.70 : 11,520,738,469.05 = 5,745,574,680.70 : x
  2. Step 2: Convert to fraction form
    7,680,492,312.70/11,520,738,469.05 = 5,745,574,680.70/x
  3. Step 3: Cross multiply
    7,680,492,312.70x = 11,520,738,469.05 × 5,745,574,680.70
  4. Step 4: Simplify right side
    7,680,492,312.70x = 66,193,263,250,740,150,272
  5. Step 5: Solve for x
    x = 66,193,263,250,740,150,272/7,680,492,312.70
  6. Step 6: Final answer
    x = 8,618,362,021.05

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Half scale
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Double scale
Find fourth proportional to 7,680,492,313.70, 11,520,738,470.55 and 5,745,574,681.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.