Home / 746,687,998.20-1,120,031,997.30-488,698,980.60

Finding the Fourth Proportional to 746,687,998.20, 1,120,031,997.30 and 488,698,980.60

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Solution

The fourth proportional to 746,687,998.20, 1,120,031,997.30 and 488,698,980.60 is: 733,048,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,687,998.20 : 1,120,031,997.30 = 488,698,980.60 : x
  2. Step 2: Convert to fraction form
    746,687,998.20/1,120,031,997.30 = 488,698,980.60/x
  3. Step 3: Cross multiply
    746,687,998.20x = 1,120,031,997.30 × 488,698,980.60
  4. Step 4: Simplify right side
    746,687,998.20x = 547,358,495,319,891,968
  5. Step 5: Solve for x
    x = 547,358,495,319,891,968/746,687,998.20
  6. Step 6: Final answer
    x = 733,048,470.90

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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.