Home / 53,145,406,623.28-79,718,186,658.72-21,703,055,882.28

Finding the Fourth Proportional to 53,145,406,623.28, 79,718,186,658.72 and 21,703,055,882.28

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Solution

The fourth proportional to 53,145,406,623.28, 79,718,186,658.72 and 21,703,055,882.28 is: 32,554,615,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145,406,623.28 : 79,718,186,658.72 = 21,703,055,882.28 : x
  2. Step 2: Convert to fraction form
    53,145,406,623.28/79,718,186,658.72 = 21,703,055,882.28/x
  3. Step 3: Cross multiply
    53,145,406,623.28x = 79,718,186,658.72 × 21,703,055,882.28
  4. Step 4: Simplify right side
    53,145,406,623.28x = 1,730,128,259,888,228,073,472
  5. Step 5: Solve for x
    x = 1,730,128,259,888,228,073,472/53,145,406,623.28
  6. Step 6: Final answer
    x = 32,554,615,155.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.