Home / 19,836,406,972.80-27,374,240,649.66-10,925,736,163.20

Finding the Fourth Proportional to 19,836,406,972.80, 27,374,240,649.66 and 10,925,736,163.20

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Solution

The fourth proportional to 19,836,406,972.80, 27,374,240,649.66 and 10,925,736,163.20 is: 15,077,515,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836,406,972.80 : 27,374,240,649.66 = 10,925,736,163.20 : x
  2. Step 2: Convert to fraction form
    19,836,406,972.80/27,374,240,649.66 = 10,925,736,163.20/x
  3. Step 3: Cross multiply
    19,836,406,972.80x = 27,374,240,649.66 × 10,925,736,163.20
  4. Step 4: Simplify right side
    19,836,406,972.80x = 299,083,731,006,129,766,400
  5. Step 5: Solve for x
    x = 299,083,731,006,129,766,400/19,836,406,972.80
  6. Step 6: Final answer
    x = 15,077,515,369.40

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Double scale
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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.