Home / 908,350,596.60-1,363,163,624.10-391,152,215.40

Finding the Fourth Proportional to 908,350,596.60, 1,363,163,624.10 and 391,152,215.40

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Solution

The fourth proportional to 908,350,596.60, 1,363,163,624.10 and 391,152,215.40 is: 587,002,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,350,596.60 : 1,363,163,624.10 = 391,152,215.40 : x
  2. Step 2: Convert to fraction form
    908,350,596.60/1,363,163,624.10 = 391,152,215.40/x
  3. Step 3: Cross multiply
    908,350,596.60x = 1,363,163,624.10 × 391,152,215.40
  4. Step 4: Simplify right side
    908,350,596.60x = 533,204,471,519,407,744
  5. Step 5: Solve for x
    x = 533,204,471,519,407,744/908,350,596.60
  6. Step 6: Final answer
    x = 587,002,940.84

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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.