Home / 508,313,473.20-762,470,209.80-486,790,112.70

Finding the Fourth Proportional to 508,313,473.20, 762,470,209.80 and 486,790,112.70

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Solution

The fourth proportional to 508,313,473.20, 762,470,209.80 and 486,790,112.70 is: 730,185,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,313,473.20 : 762,470,209.80 = 486,790,112.70 : x
  2. Step 2: Convert to fraction form
    508,313,473.20/762,470,209.80 = 486,790,112.70/x
  3. Step 3: Cross multiply
    508,313,473.20x = 762,470,209.80 × 486,790,112.70
  4. Step 4: Simplify right side
    508,313,473.20x = 371,162,959,358,934,592
  5. Step 5: Solve for x
    x = 371,162,959,358,934,592/508,313,473.20
  6. Step 6: Final answer
    x = 730,185,169.05

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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.