Home / 20,382,019,428.80-30,573,029,143.20-13,851,672,420.80

Finding the Fourth Proportional to 20,382,019,428.80, 30,573,029,143.20 and 13,851,672,420.80

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Solution

The fourth proportional to 20,382,019,428.80, 30,573,029,143.20 and 13,851,672,420.80 is: 20,777,508,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382,019,428.80 : 30,573,029,143.20 = 13,851,672,420.80 : x
  2. Step 2: Convert to fraction form
    20,382,019,428.80/30,573,029,143.20 = 13,851,672,420.80/x
  3. Step 3: Cross multiply
    20,382,019,428.80x = 30,573,029,143.20 × 13,851,672,420.80
  4. Step 4: Simplify right side
    20,382,019,428.80x = 423,487,584,603,178,074,112
  5. Step 5: Solve for x
    x = 423,487,584,603,178,074,112/20,382,019,428.80
  6. Step 6: Final answer
    x = 20,777,508,631.20

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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.