Home / 542,487,231-813,731,662.98-251,195,627.16

Finding the Fourth Proportional to 542,487,231, 813,731,662.98 and 251,195,627.16

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Solution

The fourth proportional to 542,487,231, 813,731,662.98 and 251,195,627.16 is: 376,793,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,487,231 : 813,731,662.98 = 251,195,627.16 : x
  2. Step 2: Convert to fraction form
    542,487,231/813,731,662.98 = 251,195,627.16/x
  3. Step 3: Cross multiply
    542,487,231x = 813,731,662.98 × 251,195,627.16
  4. Step 4: Simplify right side
    542,487,231x = 204,405,835,422,210,848
  5. Step 5: Solve for x
    x = 204,405,835,422,210,848/542,487,231
  6. Step 6: Final answer
    x = 376,793,818.81

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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.