Home / 542,109,381.41-813,183,344.35-173,596,449.85

Finding the Fourth Proportional to 542,109,381.41, 813,183,344.35 and 173,596,449.85

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Solution

The fourth proportional to 542,109,381.41, 813,183,344.35 and 173,596,449.85 is: 260,400,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,109,381.41 : 813,183,344.35 = 173,596,449.85 : x
  2. Step 2: Convert to fraction form
    542,109,381.41/813,183,344.35 = 173,596,449.85/x
  3. Step 3: Cross multiply
    542,109,381.41x = 813,183,344.35 × 173,596,449.85
  4. Step 4: Simplify right side
    542,109,381.41x = 141,165,741,653,843,104
  5. Step 5: Solve for x
    x = 141,165,741,653,843,104/542,109,381.41
  6. Step 6: Final answer
    x = 260,400,846.20

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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.