Home / 1,005,534,710.43-1,508,519,162.45-306,081,541.52

Finding the Fourth Proportional to 1,005,534,710.43, 1,508,519,162.45 and 306,081,541.52

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Solution

The fourth proportional to 1,005,534,710.43, 1,508,519,162.45 and 306,081,541.52 is: 459,188,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,534,710.43 : 1,508,519,162.45 = 306,081,541.52 : x
  2. Step 2: Convert to fraction form
    1,005,534,710.43/1,508,519,162.45 = 306,081,541.52/x
  3. Step 3: Cross multiply
    1,005,534,710.43x = 1,508,519,162.45 × 306,081,541.52
  4. Step 4: Simplify right side
    1,005,534,710.43x = 461,729,870,655,155,264
  5. Step 5: Solve for x
    x = 461,729,870,655,155,264/1,005,534,710.43
  6. Step 6: Final answer
    x = 459,188,395.85

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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.