Home / 889,059,589.31-1,226,902,233.25-497,919,013.31

Finding the Fourth Proportional to 889,059,589.31, 1,226,902,233.25 and 497,919,013.31

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Solution

The fourth proportional to 889,059,589.31, 1,226,902,233.25 and 497,919,013.31 is: 687,128,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,059,589.31 : 1,226,902,233.25 = 497,919,013.31 : x
  2. Step 2: Convert to fraction form
    889,059,589.31/1,226,902,233.25 = 497,919,013.31/x
  3. Step 3: Cross multiply
    889,059,589.31x = 1,226,902,233.25 × 497,919,013.31
  4. Step 4: Simplify right side
    889,059,589.31x = 610,897,949,411,390,080
  5. Step 5: Solve for x
    x = 610,897,949,411,390,080/889,059,589.31
  6. Step 6: Final answer
    x = 687,128,238.37

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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.