Home / 639,013,900,646.70-881,866,902,855.10-353,872,420,742.69

Finding the Fourth Proportional to 639,013,900,646.70, 881,866,902,855.10 and 353,872,420,742.69

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Solution

The fourth proportional to 639,013,900,646.70, 881,866,902,855.10 and 353,872,420,742.69 is: 488,359,291,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,013,900,646.70 : 881,866,902,855.10 = 353,872,420,742.69 : x
  2. Step 2: Convert to fraction form
    639,013,900,646.70/881,866,902,855.10 = 353,872,420,742.69/x
  3. Step 3: Cross multiply
    639,013,900,646.70x = 881,866,902,855.10 × 353,872,420,742.69
  4. Step 4: Simplify right side
    639,013,900,646.70x = 312,068,375,686,192,893,526,016
  5. Step 5: Solve for x
    x = 312,068,375,686,192,893,526,016/639,013,900,646.70
  6. Step 6: Final answer
    x = 488,359,291,355.59

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