Home / 490,147,255.10-735,220,882.65-486,746,032.70

Finding the Fourth Proportional to 490,147,255.10, 735,220,882.65 and 486,746,032.70

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Solution

The fourth proportional to 490,147,255.10, 735,220,882.65 and 486,746,032.70 is: 730,119,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,147,255.10 : 735,220,882.65 = 486,746,032.70 : x
  2. Step 2: Convert to fraction form
    490,147,255.10/735,220,882.65 = 486,746,032.70/x
  3. Step 3: Cross multiply
    490,147,255.10x = 735,220,882.65 × 486,746,032.70
  4. Step 4: Simplify right side
    490,147,255.10x = 357,865,847,788,079,744
  5. Step 5: Solve for x
    x = 357,865,847,788,079,744/490,147,255.10
  6. Step 6: Final answer
    x = 730,119,049.05

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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.