Home / 889,059,542.50-1,226,902,168.68-497,918,966.50

Finding the Fourth Proportional to 889,059,542.50, 1,226,902,168.68 and 497,918,966.50

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Solution

The fourth proportional to 889,059,542.50, 1,226,902,168.68 and 497,918,966.50 is: 687,128,173.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,059,542.50 : 1,226,902,168.68 = 497,918,966.50 : x
  2. Step 2: Convert to fraction form
    889,059,542.50/1,226,902,168.68 = 497,918,966.50/x
  3. Step 3: Cross multiply
    889,059,542.50x = 1,226,902,168.68 × 497,918,966.50
  4. Step 4: Simplify right side
    889,059,542.50x = 610,897,859,825,754,240
  5. Step 5: Solve for x
    x = 610,897,859,825,754,240/889,059,542.50
  6. Step 6: Final answer
    x = 687,128,173.79

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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.