Home / 889,059,529.50-1,226,902,150.74-497,918,953.50

Finding the Fourth Proportional to 889,059,529.50, 1,226,902,150.74 and 497,918,953.50

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Solution

The fourth proportional to 889,059,529.50, 1,226,902,150.74 and 497,918,953.50 is: 687,128,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,059,529.50 : 1,226,902,150.74 = 497,918,953.50 : x
  2. Step 2: Convert to fraction form
    889,059,529.50/1,226,902,150.74 = 497,918,953.50/x
  3. Step 3: Cross multiply
    889,059,529.50x = 1,226,902,150.74 × 497,918,953.50
  4. Step 4: Simplify right side
    889,059,529.50x = 610,897,834,943,360,000
  5. Step 5: Solve for x
    x = 610,897,834,943,360,000/889,059,529.50
  6. Step 6: Final answer
    x = 687,128,155.85

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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.