Home / 542,304,037.90-813,456,056.85-173,838,277.90

Finding the Fourth Proportional to 542,304,037.90, 813,456,056.85 and 173,838,277.90

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Solution

The fourth proportional to 542,304,037.90, 813,456,056.85 and 173,838,277.90 is: 260,757,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,304,037.90 : 813,456,056.85 = 173,838,277.90 : x
  2. Step 2: Convert to fraction form
    542,304,037.90/813,456,056.85 = 173,838,277.90/x
  3. Step 3: Cross multiply
    542,304,037.90x = 813,456,056.85 × 173,838,277.90
  4. Step 4: Simplify right side
    542,304,037.90x = 141,409,800,070,128,512
  5. Step 5: Solve for x
    x = 141,409,800,070,128,512/542,304,037.90
  6. Step 6: Final answer
    x = 260,757,416.85

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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.