Home / 487,088,231.28-730,754,274.96-142,041,897.60

Finding the Fourth Proportional to 487,088,231.28, 730,754,274.96 and 142,041,897.60

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Solution

The fourth proportional to 487,088,231.28, 730,754,274.96 and 142,041,897.60 is: 213,098,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,088,231.28 : 730,754,274.96 = 142,041,897.60 : x
  2. Step 2: Convert to fraction form
    487,088,231.28/730,754,274.96 = 142,041,897.60/x
  3. Step 3: Cross multiply
    487,088,231.28x = 730,754,274.96 × 142,041,897.60
  4. Step 4: Simplify right side
    487,088,231.28x = 103,797,723,894,630,560
  5. Step 5: Solve for x
    x = 103,797,723,894,630,560/487,088,231.28
  6. Step 6: Final answer
    x = 213,098,402.36

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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.