Home / 838,745,248.61-1,257,844,051.62-278,356,546.62

Finding the Fourth Proportional to 838,745,248.61, 1,257,844,051.62 and 278,356,546.62

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Solution

The fourth proportional to 838,745,248.61, 1,257,844,051.62 and 278,356,546.62 is: 417,443,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,745,248.61 : 1,257,844,051.62 = 278,356,546.62 : x
  2. Step 2: Convert to fraction form
    838,745,248.61/1,257,844,051.62 = 278,356,546.62/x
  3. Step 3: Cross multiply
    838,745,248.61x = 1,257,844,051.62 × 278,356,546.62
  4. Step 4: Simplify right side
    838,745,248.61x = 350,129,126,395,452,160
  5. Step 5: Solve for x
    x = 350,129,126,395,452,160/838,745,248.61
  6. Step 6: Final answer
    x = 417,443,946.15

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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.