Home / 18,428,319,685.68-25,448,644,945.44-17,424,356,581.05

Finding the Fourth Proportional to 18,428,319,685.68, 25,448,644,945.44 and 17,424,356,581.05

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Solution

The fourth proportional to 18,428,319,685.68, 25,448,644,945.44 and 17,424,356,581.05 is: 24,062,218,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,319,685.68 : 25,448,644,945.44 = 17,424,356,581.05 : x
  2. Step 2: Convert to fraction form
    18,428,319,685.68/25,448,644,945.44 = 17,424,356,581.05/x
  3. Step 3: Cross multiply
    18,428,319,685.68x = 25,448,644,945.44 × 17,424,356,581.05
  4. Step 4: Simplify right side
    18,428,319,685.68x = 443,426,264,033,882,210,304
  5. Step 5: Solve for x
    x = 443,426,264,033,882,210,304/18,428,319,685.68
  6. Step 6: Final answer
    x = 24,062,218,997.56

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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.