Home / 21,134,182,044.81-29,165,189,986.12-11,618,895,686.52

Finding the Fourth Proportional to 21,134,182,044.81, 29,165,189,986.12 and 11,618,895,686.52

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Solution

The fourth proportional to 21,134,182,044.81, 29,165,189,986.12 and 11,618,895,686.52 is: 16,034,086,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134,182,044.81 : 29,165,189,986.12 = 11,618,895,686.52 : x
  2. Step 2: Convert to fraction form
    21,134,182,044.81/29,165,189,986.12 = 11,618,895,686.52/x
  3. Step 3: Cross multiply
    21,134,182,044.81x = 29,165,189,986.12 × 11,618,895,686.52
  4. Step 4: Simplify right side
    21,134,182,044.81x = 338,867,300,126,062,018,560
  5. Step 5: Solve for x
    x = 338,867,300,126,062,018,560/21,134,182,044.81
  6. Step 6: Final answer
    x = 16,034,086,363.39

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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.