Home / 643,808,577.80-965,964,809.10-234,906,062.60

Finding the Fourth Proportional to 643,808,577.80, 965,964,809.10 and 234,906,062.60

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Solution

The fourth proportional to 643,808,577.80, 965,964,809.10 and 234,906,062.60 is: 352,451,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,808,577.80 : 965,964,809.10 = 234,906,062.60 : x
  2. Step 2: Convert to fraction form
    643,808,577.80/965,964,809.10 = 234,906,062.60/x
  3. Step 3: Cross multiply
    643,808,577.80x = 965,964,809.10 × 234,906,062.60
  4. Step 4: Simplify right side
    643,808,577.80x = 226,910,989,915,841,664
  5. Step 5: Solve for x
    x = 226,910,989,915,841,664/643,808,577.80
  6. Step 6: Final answer
    x = 352,451,019.98

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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.