Home / 448,428,603.60-672,642,905.40-275,344,174.80

Finding the Fourth Proportional to 448,428,603.60, 672,642,905.40 and 275,344,174.80

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Solution

The fourth proportional to 448,428,603.60, 672,642,905.40 and 275,344,174.80 is: 413,016,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,428,603.60 : 672,642,905.40 = 275,344,174.80 : x
  2. Step 2: Convert to fraction form
    448,428,603.60/672,642,905.40 = 275,344,174.80/x
  3. Step 3: Cross multiply
    448,428,603.60x = 672,642,905.40 × 275,344,174.80
  4. Step 4: Simplify right side
    448,428,603.60x = 185,208,305,722,437,472
  5. Step 5: Solve for x
    x = 185,208,305,722,437,472/448,428,603.60
  6. Step 6: Final answer
    x = 413,016,262.20

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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.