Home / 749,073,402.80-1,123,610,104.20-658,374,138.80

Finding the Fourth Proportional to 749,073,402.80, 1,123,610,104.20 and 658,374,138.80

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Solution

The fourth proportional to 749,073,402.80, 1,123,610,104.20 and 658,374,138.80 is: 987,561,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,073,402.80 : 1,123,610,104.20 = 658,374,138.80 : x
  2. Step 2: Convert to fraction form
    749,073,402.80/1,123,610,104.20 = 658,374,138.80/x
  3. Step 3: Cross multiply
    749,073,402.80x = 1,123,610,104.20 × 658,374,138.80
  4. Step 4: Simplify right side
    749,073,402.80x = 739,755,834,699,653,248
  5. Step 5: Solve for x
    x = 739,755,834,699,653,248/749,073,402.80
  6. Step 6: Final answer
    x = 987,561,208.20

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1.5x scale

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.