Home / 487,941,159.40-731,239,892.70-323,712,039.40

Finding the Fourth Proportional to 487,941,159.40, 731,239,892.70 and 323,712,039.40

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Solution

The fourth proportional to 487,941,159.40, 731,239,892.70 and 323,712,039.40 is: 485,122,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,941,159.40 : 731,239,892.70 = 323,712,039.40 : x
  2. Step 2: Convert to fraction form
    487,941,159.40/731,239,892.70 = 323,712,039.40/x
  3. Step 3: Cross multiply
    487,941,159.40x = 731,239,892.70 × 323,712,039.40
  4. Step 4: Simplify right side
    487,941,159.40x = 236,711,156,956,554,176
  5. Step 5: Solve for x
    x = 236,711,156,956,554,176/487,941,159.40
  6. Step 6: Final answer
    x = 485,122,339.85

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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.