Home / 769,836,621.80-1,152,487,451.10-724,990,874.60

Finding the Fourth Proportional to 769,836,621.80, 1,152,487,451.10 and 724,990,874.60

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Solution

The fourth proportional to 769,836,621.80, 1,152,487,451.10 and 724,990,874.60 is: 1,085,350,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,836,621.80 : 1,152,487,451.10 = 724,990,874.60 : x
  2. Step 2: Convert to fraction form
    769,836,621.80/1,152,487,451.10 = 724,990,874.60/x
  3. Step 3: Cross multiply
    769,836,621.80x = 1,152,487,451.10 × 724,990,874.60
  4. Step 4: Simplify right side
    769,836,621.80x = 835,542,885,138,513,664
  5. Step 5: Solve for x
    x = 835,542,885,138,513,664/769,836,621.80
  6. Step 6: Final answer
    x = 1,085,350,919.24

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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.