Home / 12,915,551,152.30-19,373,326,728.45-3,100,898,764.30

Finding the Fourth Proportional to 12,915,551,152.30, 19,373,326,728.45 and 3,100,898,764.30

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Solution

The fourth proportional to 12,915,551,152.30, 19,373,326,728.45 and 3,100,898,764.30 is: 4,651,348,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,551,152.30 : 19,373,326,728.45 = 3,100,898,764.30 : x
  2. Step 2: Convert to fraction form
    12,915,551,152.30/19,373,326,728.45 = 3,100,898,764.30/x
  3. Step 3: Cross multiply
    12,915,551,152.30x = 19,373,326,728.45 × 3,100,898,764.30
  4. Step 4: Simplify right side
    12,915,551,152.30x = 60,074,724,912,630,775,808
  5. Step 5: Solve for x
    x = 60,074,724,912,630,775,808/12,915,551,152.30
  6. Step 6: Final answer
    x = 4,651,348,146.45

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Double scale
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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.