Home / 865,754,424.43-1,194,709,097.61-469,268,901.06

Finding the Fourth Proportional to 865,754,424.43, 1,194,709,097.61 and 469,268,901.06

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Solution

The fourth proportional to 865,754,424.43, 1,194,709,097.61 and 469,268,901.06 is: 647,573,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,754,424.43 : 1,194,709,097.61 = 469,268,901.06 : x
  2. Step 2: Convert to fraction form
    865,754,424.43/1,194,709,097.61 = 469,268,901.06/x
  3. Step 3: Cross multiply
    865,754,424.43x = 1,194,709,097.61 × 469,268,901.06
  4. Step 4: Simplify right side
    865,754,424.43x = 560,639,825,321,828,928
  5. Step 5: Solve for x
    x = 560,639,825,321,828,928/865,754,424.43
  6. Step 6: Final answer
    x = 647,573,733.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.