Home / 13,451,509,899.10-20,177,264,848.65-7,175,297,977.30

Finding the Fourth Proportional to 13,451,509,899.10, 20,177,264,848.65 and 7,175,297,977.30

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Solution

The fourth proportional to 13,451,509,899.10, 20,177,264,848.65 and 7,175,297,977.30 is: 10,762,946,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,509,899.10 : 20,177,264,848.65 = 7,175,297,977.30 : x
  2. Step 2: Convert to fraction form
    13,451,509,899.10/20,177,264,848.65 = 7,175,297,977.30/x
  3. Step 3: Cross multiply
    13,451,509,899.10x = 20,177,264,848.65 × 7,175,297,977.30
  4. Step 4: Simplify right side
    13,451,509,899.10x = 144,777,887,655,964,753,920
  5. Step 5: Solve for x
    x = 144,777,887,655,964,753,920/13,451,509,899.10
  6. Step 6: Final answer
    x = 10,762,946,965.95

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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.