Home / 18,161,214,693.12-25,062,465,191.04-9,816,882,405.12

Finding the Fourth Proportional to 18,161,214,693.12, 25,062,465,191.04 and 9,816,882,405.12

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Solution

The fourth proportional to 18,161,214,693.12, 25,062,465,191.04 and 9,816,882,405.12 is: 13,547,291,726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161,214,693.12 : 25,062,465,191.04 = 9,816,882,405.12 : x
  2. Step 2: Convert to fraction form
    18,161,214,693.12/25,062,465,191.04 = 9,816,882,405.12/x
  3. Step 3: Cross multiply
    18,161,214,693.12x = 25,062,465,191.04 × 9,816,882,405.12
  4. Step 4: Simplify right side
    18,161,214,693.12x = 246,035,273,562,853,081,088
  5. Step 5: Solve for x
    x = 246,035,273,562,853,081,088/18,161,214,693.12
  6. Step 6: Final answer
    x = 13,547,291,726.92

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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.