Home / 649,655,087.10-974,482,630.65-578,229,416.70

Finding the Fourth Proportional to 649,655,087.10, 974,482,630.65 and 578,229,416.70

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Solution

The fourth proportional to 649,655,087.10, 974,482,630.65 and 578,229,416.70 is: 867,344,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,655,087.10 : 974,482,630.65 = 578,229,416.70 : x
  2. Step 2: Convert to fraction form
    649,655,087.10/974,482,630.65 = 578,229,416.70/x
  3. Step 3: Cross multiply
    649,655,087.10x = 974,482,630.65 × 578,229,416.70
  4. Step 4: Simplify right side
    649,655,087.10x = 563,474,523,105,031,104
  5. Step 5: Solve for x
    x = 563,474,523,105,031,104/649,655,087.10
  6. Step 6: Final answer
    x = 867,344,125.05

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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.