Home / 749,073,601.80-1,123,610,402.70-658,374,337.80

Finding the Fourth Proportional to 749,073,601.80, 1,123,610,402.70 and 658,374,337.80

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Solution

The fourth proportional to 749,073,601.80, 1,123,610,402.70 and 658,374,337.80 is: 987,561,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,073,601.80 : 1,123,610,402.70 = 658,374,337.80 : x
  2. Step 2: Convert to fraction form
    749,073,601.80/1,123,610,402.70 = 658,374,337.80/x
  3. Step 3: Cross multiply
    749,073,601.80x = 1,123,610,402.70 × 658,374,337.80
  4. Step 4: Simplify right side
    749,073,601.80x = 739,756,254,822,803,840
  5. Step 5: Solve for x
    x = 739,756,254,822,803,840/749,073,601.80
  6. Step 6: Final answer
    x = 987,561,506.70

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Double scale
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Similar ratio
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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.