Home / 1,515,023,149.02-2,092,175,892.27-1,432,485,637.26

Finding the Fourth Proportional to 1,515,023,149.02, 2,092,175,892.27 and 1,432,485,637.26

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Solution

The fourth proportional to 1,515,023,149.02, 2,092,175,892.27 and 1,432,485,637.26 is: 1,978,195,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,023,149.02 : 2,092,175,892.27 = 1,432,485,637.26 : x
  2. Step 2: Convert to fraction form
    1,515,023,149.02/2,092,175,892.27 = 1,432,485,637.26/x
  3. Step 3: Cross multiply
    1,515,023,149.02x = 2,092,175,892.27 × 1,432,485,637.26
  4. Step 4: Simplify right side
    1,515,023,149.02x = 2,997,011,916,298,400,256
  5. Step 5: Solve for x
    x = 2,997,011,916,298,400,256/1,515,023,149.02
  6. Step 6: Final answer
    x = 1,978,195,460.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.