Home / 625,841,998.40-938,762,997.60-165,851,163.20

Finding the Fourth Proportional to 625,841,998.40, 938,762,997.60 and 165,851,163.20

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Solution

The fourth proportional to 625,841,998.40, 938,762,997.60 and 165,851,163.20 is: 248,776,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,841,998.40 : 938,762,997.60 = 165,851,163.20 : x
  2. Step 2: Convert to fraction form
    625,841,998.40/938,762,997.60 = 165,851,163.20/x
  3. Step 3: Cross multiply
    625,841,998.40x = 938,762,997.60 × 165,851,163.20
  4. Step 4: Simplify right side
    625,841,998.40x = 155,694,935,121,078,816
  5. Step 5: Solve for x
    x = 155,694,935,121,078,816/625,841,998.40
  6. Step 6: Final answer
    x = 248,776,744.80

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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.