Home / 402,996,711.24-604,493,037.81-157,378,287.83

Finding the Fourth Proportional to 402,996,711.24, 604,493,037.81 and 157,378,287.83

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Solution

The fourth proportional to 402,996,711.24, 604,493,037.81 and 157,378,287.83 is: 236,066,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,996,711.24 : 604,493,037.81 = 157,378,287.83 : x
  2. Step 2: Convert to fraction form
    402,996,711.24/604,493,037.81 = 157,378,287.83/x
  3. Step 3: Cross multiply
    402,996,711.24x = 604,493,037.81 × 157,378,287.83
  4. Step 4: Simplify right side
    402,996,711.24x = 95,134,079,292,670,768
  5. Step 5: Solve for x
    x = 95,134,079,292,670,768/402,996,711.24
  6. Step 6: Final answer
    x = 236,066,639.35

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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.