Home / 614,592,001.20-921,888,001.80-508,423,681.20

Finding the Fourth Proportional to 614,592,001.20, 921,888,001.80 and 508,423,681.20

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Solution

The fourth proportional to 614,592,001.20, 921,888,001.80 and 508,423,681.20 is: 762,635,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,592,001.20 : 921,888,001.80 = 508,423,681.20 : x
  2. Step 2: Convert to fraction form
    614,592,001.20/921,888,001.80 = 508,423,681.20/x
  3. Step 3: Cross multiply
    614,592,001.20x = 921,888,001.80 × 508,423,681.20
  4. Step 4: Simplify right side
    614,592,001.20x = 468,709,691,529,268,160
  5. Step 5: Solve for x
    x = 468,709,691,529,268,160/614,592,001.20
  6. Step 6: Final answer
    x = 762,635,521.80

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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.