Home / 7,921,152,586.80-11,881,728,880.20-2,400,685,196.40

Finding the Fourth Proportional to 7,921,152,586.80, 11,881,728,880.20 and 2,400,685,196.40

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Solution

The fourth proportional to 7,921,152,586.80, 11,881,728,880.20 and 2,400,685,196.40 is: 3,601,027,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,152,586.80 : 11,881,728,880.20 = 2,400,685,196.40 : x
  2. Step 2: Convert to fraction form
    7,921,152,586.80/11,881,728,880.20 = 2,400,685,196.40/x
  3. Step 3: Cross multiply
    7,921,152,586.80x = 11,881,728,880.20 × 2,400,685,196.40
  4. Step 4: Simplify right side
    7,921,152,586.80x = 28,524,290,630,334,492,672
  5. Step 5: Solve for x
    x = 28,524,290,630,334,492,672/7,921,152,586.80
  6. Step 6: Final answer
    x = 3,601,027,794.60

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Double scale
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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.