Home / 868,970,230.20-1,303,455,345.30-862,923,612.60

Finding the Fourth Proportional to 868,970,230.20, 1,303,455,345.30 and 862,923,612.60

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Solution

The fourth proportional to 868,970,230.20, 1,303,455,345.30 and 862,923,612.60 is: 1,294,385,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,970,230.20 : 1,303,455,345.30 = 862,923,612.60 : x
  2. Step 2: Convert to fraction form
    868,970,230.20/1,303,455,345.30 = 862,923,612.60/x
  3. Step 3: Cross multiply
    868,970,230.20x = 1,303,455,345.30 × 862,923,612.60
  4. Step 4: Simplify right side
    868,970,230.20x = 1,124,782,395,429,056,384
  5. Step 5: Solve for x
    x = 1,124,782,395,429,056,384/868,970,230.20
  6. Step 6: Final answer
    x = 1,294,385,418.90

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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.