Home / 10,784,448,008.20-16,176,672,012.30-5,260,862,830.60

Finding the Fourth Proportional to 10,784,448,008.20, 16,176,672,012.30 and 5,260,862,830.60

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Solution

The fourth proportional to 10,784,448,008.20, 16,176,672,012.30 and 5,260,862,830.60 is: 7,891,294,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784,448,008.20 : 16,176,672,012.30 = 5,260,862,830.60 : x
  2. Step 2: Convert to fraction form
    10,784,448,008.20/16,176,672,012.30 = 5,260,862,830.60/x
  3. Step 3: Cross multiply
    10,784,448,008.20x = 16,176,672,012.30 × 5,260,862,830.60
  4. Step 4: Simplify right side
    10,784,448,008.20x = 85,103,252,512,316,375,040
  5. Step 5: Solve for x
    x = 85,103,252,512,316,375,040/10,784,448,008.20
  6. Step 6: Final answer
    x = 7,891,294,245.90

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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.