Home / 458,498,691.40-687,748,037.10-295,240,016.20

Finding the Fourth Proportional to 458,498,691.40, 687,748,037.10 and 295,240,016.20

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Solution

The fourth proportional to 458,498,691.40, 687,748,037.10 and 295,240,016.20 is: 442,860,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,498,691.40 : 687,748,037.10 = 295,240,016.20 : x
  2. Step 2: Convert to fraction form
    458,498,691.40/687,748,037.10 = 295,240,016.20/x
  3. Step 3: Cross multiply
    458,498,691.40x = 687,748,037.10 × 295,240,016.20
  4. Step 4: Simplify right side
    458,498,691.40x = 203,050,741,614,922,208
  5. Step 5: Solve for x
    x = 203,050,741,614,922,208/458,498,691.40
  6. Step 6: Final answer
    x = 442,860,024.30

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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.