Home / 20,038,165,183.04-27,662,082,691.52-11,578,352,537.21

Finding the Fourth Proportional to 20,038,165,183.04, 27,662,082,691.52 and 11,578,352,537.21

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Solution

The fourth proportional to 20,038,165,183.04, 27,662,082,691.52 and 11,578,352,537.21 is: 15,983,566,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,165,183.04 : 27,662,082,691.52 = 11,578,352,537.21 : x
  2. Step 2: Convert to fraction form
    20,038,165,183.04/27,662,082,691.52 = 11,578,352,537.21/x
  3. Step 3: Cross multiply
    20,038,165,183.04x = 27,662,082,691.52 × 11,578,352,537.21
  4. Step 4: Simplify right side
    20,038,165,183.04x = 320,281,345,315,873,423,360
  5. Step 5: Solve for x
    x = 320,281,345,315,873,423,360/20,038,165,183.04
  6. Step 6: Final answer
    x = 15,983,566,478.78

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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.