Home / 865,754,345.30-1,194,708,988.91-469,268,822.19

Finding the Fourth Proportional to 865,754,345.30, 1,194,708,988.91 and 469,268,822.19

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Solution

The fourth proportional to 865,754,345.30, 1,194,708,988.91 and 469,268,822.19 is: 647,573,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,754,345.30 : 1,194,708,988.91 = 469,268,822.19 : x
  2. Step 2: Convert to fraction form
    865,754,345.30/1,194,708,988.91 = 469,268,822.19/x
  3. Step 3: Cross multiply
    865,754,345.30x = 1,194,708,988.91 × 469,268,822.19
  4. Step 4: Simplify right side
    865,754,345.30x = 560,639,680,083,255,104
  5. Step 5: Solve for x
    x = 560,639,680,083,255,104/865,754,345.30
  6. Step 6: Final answer
    x = 647,573,625.39

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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.