Home / 402,996,737.52-604,493,077.20-157,378,314.06

Finding the Fourth Proportional to 402,996,737.52, 604,493,077.20 and 157,378,314.06

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Solution

The fourth proportional to 402,996,737.52, 604,493,077.20 and 157,378,314.06 is: 236,066,678.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,996,737.52 : 604,493,077.20 = 157,378,314.06 : x
  2. Step 2: Convert to fraction form
    402,996,737.52/604,493,077.20 = 157,378,314.06/x
  3. Step 3: Cross multiply
    402,996,737.52x = 604,493,077.20 × 157,378,314.06
  4. Step 4: Simplify right side
    402,996,737.52x = 95,134,101,350,677,440
  5. Step 5: Solve for x
    x = 95,134,101,350,677,440/402,996,737.52
  6. Step 6: Final answer
    x = 236,066,678.69

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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.