Home / 960,620,635.52-1,325,657,610.96-520,587,487.52

Finding the Fourth Proportional to 960,620,635.52, 1,325,657,610.96 and 520,587,487.52

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Solution

The fourth proportional to 960,620,635.52, 1,325,657,610.96 and 520,587,487.52 is: 718,411,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,620,635.52 : 1,325,657,610.96 = 520,587,487.52 : x
  2. Step 2: Convert to fraction form
    960,620,635.52/1,325,657,610.96 = 520,587,487.52/x
  3. Step 3: Cross multiply
    960,620,635.52x = 1,325,657,610.96 × 520,587,487.52
  4. Step 4: Simplify right side
    960,620,635.52x = 690,120,765,001,432,064
  5. Step 5: Solve for x
    x = 690,120,765,001,432,064/960,620,635.52
  6. Step 6: Final answer
    x = 718,411,347.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.