Home / 458,496,447.40-687,744,671.10-295,237,772.20

Finding the Fourth Proportional to 458,496,447.40, 687,744,671.10 and 295,237,772.20

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Solution

The fourth proportional to 458,496,447.40, 687,744,671.10 and 295,237,772.20 is: 442,856,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,496,447.40 : 687,744,671.10 = 295,237,772.20 : x
  2. Step 2: Convert to fraction form
    458,496,447.40/687,744,671.10 = 295,237,772.20/x
  3. Step 3: Cross multiply
    458,496,447.40x = 687,744,671.10 × 295,237,772.20
  4. Step 4: Simplify right side
    458,496,447.40x = 203,048,204,537,985,728
  5. Step 5: Solve for x
    x = 203,048,204,537,985,728/458,496,447.40
  6. Step 6: Final answer
    x = 442,856,658.30

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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.