Home / 502,023,998.40-753,035,997.60-178,791,230.40

Finding the Fourth Proportional to 502,023,998.40, 753,035,997.60 and 178,791,230.40

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Solution

The fourth proportional to 502,023,998.40, 753,035,997.60 and 178,791,230.40 is: 268,186,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,023,998.40 : 753,035,997.60 = 178,791,230.40 : x
  2. Step 2: Convert to fraction form
    502,023,998.40/753,035,997.60 = 178,791,230.40/x
  3. Step 3: Cross multiply
    502,023,998.40x = 753,035,997.60 × 178,791,230.40
  4. Step 4: Simplify right side
    502,023,998.40x = 134,636,232,546,395,456
  5. Step 5: Solve for x
    x = 134,636,232,546,395,456/502,023,998.40
  6. Step 6: Final answer
    x = 268,186,845.60

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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.