Home / 817,996,761.58-1,227,116,229.77-300,386,845.93

Finding the Fourth Proportional to 817,996,761.58, 1,227,116,229.77 and 300,386,845.93

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Solution

The fourth proportional to 817,996,761.58, 1,227,116,229.77 and 300,386,845.93 is: 450,624,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,996,761.58 : 1,227,116,229.77 = 300,386,845.93 : x
  2. Step 2: Convert to fraction form
    817,996,761.58/1,227,116,229.77 = 300,386,845.93/x
  3. Step 3: Cross multiply
    817,996,761.58x = 1,227,116,229.77 × 300,386,845.93
  4. Step 4: Simplify right side
    817,996,761.58x = 368,609,573,850,123,456
  5. Step 5: Solve for x
    x = 368,609,573,850,123,456/817,996,761.58
  6. Step 6: Final answer
    x = 450,624,734.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.