Home / 865,754,352.92-1,194,708,999.56-469,268,830.02

Finding the Fourth Proportional to 865,754,352.92, 1,194,708,999.56 and 469,268,830.02

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Solution

The fourth proportional to 865,754,352.92, 1,194,708,999.56 and 469,268,830.02 is: 647,573,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,754,352.92 : 1,194,708,999.56 = 469,268,830.02 : x
  2. Step 2: Convert to fraction form
    865,754,352.92/1,194,708,999.56 = 469,268,830.02/x
  3. Step 3: Cross multiply
    865,754,352.92x = 1,194,708,999.56 × 469,268,830.02
  4. Step 4: Simplify right side
    865,754,352.92x = 560,639,694,437,885,824
  5. Step 5: Solve for x
    x = 560,639,694,437,885,824/865,754,352.92
  6. Step 6: Final answer
    x = 647,573,636.27

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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.