Home / 2,910,740,489.71-4,366,845,493.29-812,215,134.88

Finding the Fourth Proportional to 2,910,740,489.71, 4,366,845,493.29 and 812,215,134.88

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Solution

The fourth proportional to 2,910,740,489.71, 4,366,845,493.29 and 812,215,134.88 is: 1,218,527,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,740,489.71 : 4,366,845,493.29 = 812,215,134.88 : x
  2. Step 2: Convert to fraction form
    2,910,740,489.71/4,366,845,493.29 = 812,215,134.88/x
  3. Step 3: Cross multiply
    2,910,740,489.71x = 4,366,845,493.29 × 812,215,134.88
  4. Step 4: Simplify right side
    2,910,740,489.71x = 3,546,818,001,306,762,240
  5. Step 5: Solve for x
    x = 3,546,818,001,306,762,240/2,910,740,489.71
  6. Step 6: Final answer
    x = 1,218,527,729.92

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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.