Home / 12,984,348,127.62-17,916,888,758.64-7,268,945,521.26

Finding the Fourth Proportional to 12,984,348,127.62, 17,916,888,758.64 and 7,268,945,521.26

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Solution

The fourth proportional to 12,984,348,127.62, 17,916,888,758.64 and 7,268,945,521.26 is: 10,030,298,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,348,127.62 : 17,916,888,758.64 = 7,268,945,521.26 : x
  2. Step 2: Convert to fraction form
    12,984,348,127.62/17,916,888,758.64 = 7,268,945,521.26/x
  3. Step 3: Cross multiply
    12,984,348,127.62x = 17,916,888,758.64 × 7,268,945,521.26
  4. Step 4: Simplify right side
    12,984,348,127.62x = 130,236,888,297,029,861,376
  5. Step 5: Solve for x
    x = 130,236,888,297,029,861,376/12,984,348,127.62
  6. Step 6: Final answer
    x = 10,030,298,557.69

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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.