Home / 12,919,388,149.02-17,832,072,860.55-8,414,492,995.07

Finding the Fourth Proportional to 12,919,388,149.02, 17,832,072,860.55 and 8,414,492,995.07

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Solution

The fourth proportional to 12,919,388,149.02, 17,832,072,860.55 and 8,414,492,995.07 is: 11,614,160,859.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,388,149.02 : 17,832,072,860.55 = 8,414,492,995.07 : x
  2. Step 2: Convert to fraction form
    12,919,388,149.02/17,832,072,860.55 = 8,414,492,995.07/x
  3. Step 3: Cross multiply
    12,919,388,149.02x = 17,832,072,860.55 × 8,414,492,995.07
  4. Step 4: Simplify right side
    12,919,388,149.02x = 150,047,852,172,586,647,552
  5. Step 5: Solve for x
    x = 150,047,852,172,586,647,552/12,919,388,149.02
  6. Step 6: Final answer
    x = 11,614,160,859.77

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1.5x scale

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.