Home / 889,059,538.52-1,226,902,163.16-497,918,962.52

Finding the Fourth Proportional to 889,059,538.52, 1,226,902,163.16 and 497,918,962.52

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Solution

The fourth proportional to 889,059,538.52, 1,226,902,163.16 and 497,918,962.52 is: 687,128,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,059,538.52 : 1,226,902,163.16 = 497,918,962.52 : x
  2. Step 2: Convert to fraction form
    889,059,538.52/1,226,902,163.16 = 497,918,962.52/x
  3. Step 3: Cross multiply
    889,059,538.52x = 1,226,902,163.16 × 497,918,962.52
  4. Step 4: Simplify right side
    889,059,538.52x = 610,897,852,194,171,008
  5. Step 5: Solve for x
    x = 610,897,852,194,171,008/889,059,538.52
  6. Step 6: Final answer
    x = 687,128,168.28

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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.