Home / 19,920,132,780.93-27,489,716,498.52-10,887,885,655.16

Finding the Fourth Proportional to 19,920,132,780.93, 27,489,716,498.52 and 10,887,885,655.16

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Solution

The fourth proportional to 19,920,132,780.93, 27,489,716,498.52 and 10,887,885,655.16 is: 15,025,245,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920,132,780.93 : 27,489,716,498.52 = 10,887,885,655.16 : x
  2. Step 2: Convert to fraction form
    19,920,132,780.93/27,489,716,498.52 = 10,887,885,655.16/x
  3. Step 3: Cross multiply
    19,920,132,780.93x = 27,489,716,498.52 × 10,887,885,655.16
  4. Step 4: Simplify right side
    19,920,132,780.93x = 299,304,889,928,513,683,456
  5. Step 5: Solve for x
    x = 299,304,889,928,513,683,456/19,920,132,780.93
  6. Step 6: Final answer
    x = 15,025,245,726.02

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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.