Home / 20,038,165,184.55-27,662,082,693.60-11,578,352,538.72

Finding the Fourth Proportional to 20,038,165,184.55, 27,662,082,693.60 and 11,578,352,538.72

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Solution

The fourth proportional to 20,038,165,184.55, 27,662,082,693.60 and 11,578,352,538.72 is: 15,983,566,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,165,184.55 : 27,662,082,693.60 = 11,578,352,538.72 : x
  2. Step 2: Convert to fraction form
    20,038,165,184.55/27,662,082,693.60 = 11,578,352,538.72/x
  3. Step 3: Cross multiply
    20,038,165,184.55x = 27,662,082,693.60 × 11,578,352,538.72
  4. Step 4: Simplify right side
    20,038,165,184.55x = 320,281,345,381,726,093,312
  5. Step 5: Solve for x
    x = 320,281,345,381,726,093,312/20,038,165,184.55
  6. Step 6: Final answer
    x = 15,983,566,480.86

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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.