Home / 889,059,541.50-1,226,902,167.30-497,918,965.50

Finding the Fourth Proportional to 889,059,541.50, 1,226,902,167.30 and 497,918,965.50

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Solution

The fourth proportional to 889,059,541.50, 1,226,902,167.30 and 497,918,965.50 is: 687,128,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,059,541.50 : 1,226,902,167.30 = 497,918,965.50 : x
  2. Step 2: Convert to fraction form
    889,059,541.50/1,226,902,167.30 = 497,918,965.50/x
  3. Step 3: Cross multiply
    889,059,541.50x = 1,226,902,167.30 × 497,918,965.50
  4. Step 4: Simplify right side
    889,059,541.50x = 610,897,857,911,723,904
  5. Step 5: Solve for x
    x = 610,897,857,911,723,904/889,059,541.50
  6. Step 6: Final answer
    x = 687,128,172.41

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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.