Home / 639,841,764.39-959,714,780.40-230,897,900.31

Finding the Fourth Proportional to 639,841,764.39, 959,714,780.40 and 230,897,900.31

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Solution

The fourth proportional to 639,841,764.39, 959,714,780.40 and 230,897,900.31 is: 346,329,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,841,764.39 : 959,714,780.40 = 230,897,900.31 : x
  2. Step 2: Convert to fraction form
    639,841,764.39/959,714,780.40 = 230,897,900.31/x
  3. Step 3: Cross multiply
    639,841,764.39x = 959,714,780.40 × 230,897,900.31
  4. Step 4: Simplify right side
    639,841,764.39x = 221,596,127,690,832,736
  5. Step 5: Solve for x
    x = 221,596,127,690,832,736/639,841,764.39
  6. Step 6: Final answer
    x = 346,329,577.13

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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.