Home / 689,654,834.40-1,034,482,251.60-614,827,941.60

Finding the Fourth Proportional to 689,654,834.40, 1,034,482,251.60 and 614,827,941.60

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Solution

The fourth proportional to 689,654,834.40, 1,034,482,251.60 and 614,827,941.60 is: 922,241,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,654,834.40 : 1,034,482,251.60 = 614,827,941.60 : x
  2. Step 2: Convert to fraction form
    689,654,834.40/1,034,482,251.60 = 614,827,941.60/x
  3. Step 3: Cross multiply
    689,654,834.40x = 1,034,482,251.60 × 614,827,941.60
  4. Step 4: Simplify right side
    689,654,834.40x = 636,028,593,372,961,408
  5. Step 5: Solve for x
    x = 636,028,593,372,961,408/689,654,834.40
  6. Step 6: Final answer
    x = 922,241,912.40

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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.