Home / 448,496,175.20-672,744,262.80-267,097,647.20

Finding the Fourth Proportional to 448,496,175.20, 672,744,262.80 and 267,097,647.20

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Solution

The fourth proportional to 448,496,175.20, 672,744,262.80 and 267,097,647.20 is: 400,646,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,496,175.20 : 672,744,262.80 = 267,097,647.20 : x
  2. Step 2: Convert to fraction form
    448,496,175.20/672,744,262.80 = 267,097,647.20/x
  3. Step 3: Cross multiply
    448,496,175.20x = 672,744,262.80 × 267,097,647.20
  4. Step 4: Simplify right side
    448,496,175.20x = 179,688,409,761,178,464
  5. Step 5: Solve for x
    x = 179,688,409,761,178,464/448,496,175.20
  6. Step 6: Final answer
    x = 400,646,470.80

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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.