Home / 643,690,058.52-965,679,016.98-234,746,209.02

Finding the Fourth Proportional to 643,690,058.52, 965,679,016.98 and 234,746,209.02

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Solution

The fourth proportional to 643,690,058.52, 965,679,016.98 and 234,746,209.02 is: 352,171,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,690,058.52 : 965,679,016.98 = 234,746,209.02 : x
  2. Step 2: Convert to fraction form
    643,690,058.52/965,679,016.98 = 234,746,209.02/x
  3. Step 3: Cross multiply
    643,690,058.52x = 965,679,016.98 × 234,746,209.02
  4. Step 4: Simplify right side
    643,690,058.52x = 226,689,488,366,215,232
  5. Step 5: Solve for x
    x = 226,689,488,366,215,232/643,690,058.52
  6. Step 6: Final answer
    x = 352,171,802.82

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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.