Home / 12,411,864,985.20-18,626,867,404.20-8,738,544,793.20

Finding the Fourth Proportional to 12,411,864,985.20, 18,626,867,404.20 and 8,738,544,793.20

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Solution

The fourth proportional to 12,411,864,985.20, 18,626,867,404.20 and 8,738,544,793.20 is: 13,114,202,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411,864,985.20 : 18,626,867,404.20 = 8,738,544,793.20 : x
  2. Step 2: Convert to fraction form
    12,411,864,985.20/18,626,867,404.20 = 8,738,544,793.20/x
  3. Step 3: Cross multiply
    12,411,864,985.20x = 18,626,867,404.20 × 8,738,544,793.20
  4. Step 4: Simplify right side
    12,411,864,985.20x = 162,771,715,168,598,720,512
  5. Step 5: Solve for x
    x = 162,771,715,168,598,720,512/12,411,864,985.20
  6. Step 6: Final answer
    x = 13,114,202,850.47

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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.