Home / 866,246,952,015.40-1,299,370,428,023.10-829,519,489,658.20

Finding the Fourth Proportional to 866,246,952,015.40, 1,299,370,428,023.10 and 829,519,489,658.20

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Solution

The fourth proportional to 866,246,952,015.40, 1,299,370,428,023.10 and 829,519,489,658.20 is: 1,244,279,234,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,246,952,015.40 : 1,299,370,428,023.10 = 829,519,489,658.20 : x
  2. Step 2: Convert to fraction form
    866,246,952,015.40/1,299,370,428,023.10 = 829,519,489,658.20/x
  3. Step 3: Cross multiply
    866,246,952,015.40x = 1,299,370,428,023.10 × 829,519,489,658.20
  4. Step 4: Simplify right side
    866,246,952,015.40x = 1,077,853,094,330,678,789,537,792
  5. Step 5: Solve for x
    x = 1,077,853,094,330,678,789,537,792/866,246,952,015.40
  6. Step 6: Final answer
    x = 1,244,279,234,487.30

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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.