Home / 497,664,491.40-746,496,737.10-439,213,854.60

Finding the Fourth Proportional to 497,664,491.40, 746,496,737.10 and 439,213,854.60

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Solution

The fourth proportional to 497,664,491.40, 746,496,737.10 and 439,213,854.60 is: 658,820,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,491.40 : 746,496,737.10 = 439,213,854.60 : x
  2. Step 2: Convert to fraction form
    497,664,491.40/746,496,737.10 = 439,213,854.60/x
  3. Step 3: Cross multiply
    497,664,491.40x = 746,496,737.10 × 439,213,854.60
  4. Step 4: Simplify right side
    497,664,491.40x = 327,871,709,348,013,824
  5. Step 5: Solve for x
    x = 327,871,709,348,013,824/497,664,491.40
  6. Step 6: Final answer
    x = 658,820,781.90

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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.