Home / 21,134,182,057.81-29,165,190,004.06-11,618,895,699.52

Finding the Fourth Proportional to 21,134,182,057.81, 29,165,190,004.06 and 11,618,895,699.52

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Solution

The fourth proportional to 21,134,182,057.81, 29,165,190,004.06 and 11,618,895,699.52 is: 16,034,086,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134,182,057.81 : 29,165,190,004.06 = 11,618,895,699.52 : x
  2. Step 2: Convert to fraction form
    21,134,182,057.81/29,165,190,004.06 = 11,618,895,699.52/x
  3. Step 3: Cross multiply
    21,134,182,057.81x = 29,165,190,004.06 × 11,618,895,699.52
  4. Step 4: Simplify right side
    21,134,182,057.81x = 338,867,300,713,745,678,336
  5. Step 5: Solve for x
    x = 338,867,300,713,745,678,336/21,134,182,057.81
  6. Step 6: Final answer
    x = 16,034,086,381.34

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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.