Home / 5,158,656,031.20-7,737,984,046.80-1,281,262,495.20

Finding the Fourth Proportional to 5,158,656,031.20, 7,737,984,046.80 and 1,281,262,495.20

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Solution

The fourth proportional to 5,158,656,031.20, 7,737,984,046.80 and 1,281,262,495.20 is: 1,921,893,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,656,031.20 : 7,737,984,046.80 = 1,281,262,495.20 : x
  2. Step 2: Convert to fraction form
    5,158,656,031.20/7,737,984,046.80 = 1,281,262,495.20/x
  3. Step 3: Cross multiply
    5,158,656,031.20x = 7,737,984,046.80 × 1,281,262,495.20
  4. Step 4: Simplify right side
    5,158,656,031.20x = 9,914,388,747,620,761,600
  5. Step 5: Solve for x
    x = 9,914,388,747,620,761,600/5,158,656,031.20
  6. Step 6: Final answer
    x = 1,921,893,742.80

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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.