Home / 37,399,981,681.50-51,613,597,105.11-20,711,317,105.50

Finding the Fourth Proportional to 37,399,981,681.50, 51,613,597,105.11 and 20,711,317,105.50

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Solution

The fourth proportional to 37,399,981,681.50, 51,613,597,105.11 and 20,711,317,105.50 is: 28,582,516,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,399,981,681.50 : 51,613,597,105.11 = 20,711,317,105.50 : x
  2. Step 2: Convert to fraction form
    37,399,981,681.50/51,613,597,105.11 = 20,711,317,105.50/x
  3. Step 3: Cross multiply
    37,399,981,681.50x = 51,613,597,105.11 × 20,711,317,105.50
  4. Step 4: Simplify right side
    37,399,981,681.50x = 1,068,985,576,599,450,025,984
  5. Step 5: Solve for x
    x = 1,068,985,576,599,450,025,984/37,399,981,681.50
  6. Step 6: Final answer
    x = 28,582,516,047.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.