Home / 27,041,489,992.87-37,274,138,442.07-21,316,438,189.37

Finding the Fourth Proportional to 27,041,489,992.87, 37,274,138,442.07 and 21,316,438,189.37

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Solution

The fourth proportional to 27,041,489,992.87, 37,274,138,442.07 and 21,316,438,189.37 is: 29,382,695,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,041,489,992.87 : 37,274,138,442.07 = 21,316,438,189.37 : x
  2. Step 2: Convert to fraction form
    27,041,489,992.87/37,274,138,442.07 = 21,316,438,189.37/x
  3. Step 3: Cross multiply
    27,041,489,992.87x = 37,274,138,442.07 × 21,316,438,189.37
  4. Step 4: Simplify right side
    27,041,489,992.87x = 794,551,868,162,437,283,840
  5. Step 5: Solve for x
    x = 794,551,868,162,437,283,840/27,041,489,992.87
  6. Step 6: Final answer
    x = 29,382,695,567.88

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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.