Home / 20,038,165,180.41-27,662,082,687.92-11,578,352,534.58

Finding the Fourth Proportional to 20,038,165,180.41, 27,662,082,687.92 and 11,578,352,534.58

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Solution

The fourth proportional to 20,038,165,180.41, 27,662,082,687.92 and 11,578,352,534.58 is: 15,983,566,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,165,180.41 : 27,662,082,687.92 = 11,578,352,534.58 : x
  2. Step 2: Convert to fraction form
    20,038,165,180.41/27,662,082,687.92 = 11,578,352,534.58/x
  3. Step 3: Cross multiply
    20,038,165,180.41x = 27,662,082,687.92 × 11,578,352,534.58
  4. Step 4: Simplify right side
    20,038,165,180.41x = 320,281,345,201,382,162,432
  5. Step 5: Solve for x
    x = 320,281,345,201,382,162,432/20,038,165,180.41
  6. Step 6: Final answer
    x = 15,983,566,475.16

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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.