Home / 448,403,786.10-672,605,679.15-275,319,357.30

Finding the Fourth Proportional to 448,403,786.10, 672,605,679.15 and 275,319,357.30

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Solution

The fourth proportional to 448,403,786.10, 672,605,679.15 and 275,319,357.30 is: 412,979,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,403,786.10 : 672,605,679.15 = 275,319,357.30 : x
  2. Step 2: Convert to fraction form
    448,403,786.10/672,605,679.15 = 275,319,357.30/x
  3. Step 3: Cross multiply
    448,403,786.10x = 672,605,679.15 × 275,319,357.30
  4. Step 4: Simplify right side
    448,403,786.10x = 185,181,363,299,908,000
  5. Step 5: Solve for x
    x = 185,181,363,299,908,000/448,403,786.10
  6. Step 6: Final answer
    x = 412,979,035.95

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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.