Home / 664,334,822.80-996,496,985.40-173,047,142.80

Finding the Fourth Proportional to 664,334,822.80, 996,496,985.40 and 173,047,142.80

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Solution

The fourth proportional to 664,334,822.80, 996,496,985.40 and 173,047,142.80 is: 259,569,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,334,822.80 : 996,496,985.40 = 173,047,142.80 : x
  2. Step 2: Convert to fraction form
    664,334,822.80/996,496,985.40 = 173,047,142.80/x
  3. Step 3: Cross multiply
    664,334,822.80x = 996,496,985.40 × 173,047,142.80
  4. Step 4: Simplify right side
    664,334,822.80x = 172,440,956,132,283,328
  5. Step 5: Solve for x
    x = 172,440,956,132,283,328/664,334,822.80
  6. Step 6: Final answer
    x = 259,569,346.98

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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.