Home / 501,650,621.76-752,722,451.28-225,496,950.78

Finding the Fourth Proportional to 501,650,621.76, 752,722,451.28 and 225,496,950.78

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Solution

The fourth proportional to 501,650,621.76, 752,722,451.28 and 225,496,950.78 is: 338,356,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,650,621.76 : 752,722,451.28 = 225,496,950.78 : x
  2. Step 2: Convert to fraction form
    501,650,621.76/752,722,451.28 = 225,496,950.78/x
  3. Step 3: Cross multiply
    501,650,621.76x = 752,722,451.28 × 225,496,950.78
  4. Step 4: Simplify right side
    501,650,621.76x = 169,736,617,547,287,104
  5. Step 5: Solve for x
    x = 169,736,617,547,287,104/501,650,621.76
  6. Step 6: Final answer
    x = 338,356,238.75

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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.