Home / 459,648,135.60-689,472,203.40-422,024,737.20

Finding the Fourth Proportional to 459,648,135.60, 689,472,203.40 and 422,024,737.20

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Solution

The fourth proportional to 459,648,135.60, 689,472,203.40 and 422,024,737.20 is: 633,037,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,648,135.60 : 689,472,203.40 = 422,024,737.20 : x
  2. Step 2: Convert to fraction form
    459,648,135.60/689,472,203.40 = 422,024,737.20/x
  3. Step 3: Cross multiply
    459,648,135.60x = 689,472,203.40 × 422,024,737.20
  4. Step 4: Simplify right side
    459,648,135.60x = 290,974,325,446,589,952
  5. Step 5: Solve for x
    x = 290,974,325,446,589,952/459,648,135.60
  6. Step 6: Final answer
    x = 633,037,105.80

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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.