Home / 1,123,708,165.40-1,684,428,507.30-510,732,306.20

Finding the Fourth Proportional to 1,123,708,165.40, 1,684,428,507.30 and 510,732,306.20

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Solution

The fourth proportional to 1,123,708,165.40, 1,684,428,507.30 and 510,732,306.20 is: 765,583,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,708,165.40 : 1,684,428,507.30 = 510,732,306.20 : x
  2. Step 2: Convert to fraction form
    1,123,708,165.40/1,684,428,507.30 = 510,732,306.20/x
  3. Step 3: Cross multiply
    1,123,708,165.40x = 1,684,428,507.30 × 510,732,306.20
  4. Step 4: Simplify right side
    1,123,708,165.40x = 860,292,056,162,352,512
  5. Step 5: Solve for x
    x = 860,292,056,162,352,512/1,123,708,165.40
  6. Step 6: Final answer
    x = 765,583,167.10

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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.