Home / 542,487,243-813,731,680.98-251,195,639.16

Finding the Fourth Proportional to 542,487,243, 813,731,680.98 and 251,195,639.16

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Solution

The fourth proportional to 542,487,243, 813,731,680.98 and 251,195,639.16 is: 376,793,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,487,243 : 813,731,680.98 = 251,195,639.16 : x
  2. Step 2: Convert to fraction form
    542,487,243/813,731,680.98 = 251,195,639.16/x
  3. Step 3: Cross multiply
    542,487,243x = 813,731,680.98 × 251,195,639.16
  4. Step 4: Simplify right side
    542,487,243x = 204,405,849,708,512,320
  5. Step 5: Solve for x
    x = 204,405,849,708,512,320/542,487,243
  6. Step 6: Final answer
    x = 376,793,836.81

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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.