Home / 709,779,336.76-984,506,558.17-690,902,552.44

Finding the Fourth Proportional to 709,779,336.76, 984,506,558.17 and 690,902,552.44

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Solution

The fourth proportional to 709,779,336.76, 984,506,558.17 and 690,902,552.44 is: 958,323,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,779,336.76 : 984,506,558.17 = 690,902,552.44 : x
  2. Step 2: Convert to fraction form
    709,779,336.76/984,506,558.17 = 690,902,552.44/x
  3. Step 3: Cross multiply
    709,779,336.76x = 984,506,558.17 × 690,902,552.44
  4. Step 4: Simplify right side
    709,779,336.76x = 680,198,093,933,572,352
  5. Step 5: Solve for x
    x = 680,198,093,933,572,352/709,779,336.76
  6. Step 6: Final answer
    x = 958,323,324.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.