Home / 12,992,347,726.68-17,928,959,765.58-7,051,772,682.84

Finding the Fourth Proportional to 12,992,347,726.68, 17,928,959,765.58 and 7,051,772,682.84

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Solution

The fourth proportional to 12,992,347,726.68, 17,928,959,765.58 and 7,051,772,682.84 is: 9,731,185,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,347,726.68 : 17,928,959,765.58 = 7,051,772,682.84 : x
  2. Step 2: Convert to fraction form
    12,992,347,726.68/17,928,959,765.58 = 7,051,772,682.84/x
  3. Step 3: Cross multiply
    12,992,347,726.68x = 17,928,959,765.58 × 7,051,772,682.84
  4. Step 4: Simplify right side
    12,992,347,726.68x = 126,430,948,706,654,502,912
  5. Step 5: Solve for x
    x = 126,430,948,706,654,502,912/12,992,347,726.68
  6. Step 6: Final answer
    x = 9,731,185,723.04

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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.