Home / 769,836,271.80-1,152,486,926.10-724,990,524.60

Finding the Fourth Proportional to 769,836,271.80, 1,152,486,926.10 and 724,990,524.60

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Solution

The fourth proportional to 769,836,271.80, 1,152,486,926.10 and 724,990,524.60 is: 1,085,350,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,836,271.80 : 1,152,486,926.10 = 724,990,524.60 : x
  2. Step 2: Convert to fraction form
    769,836,271.80/1,152,486,926.10 = 724,990,524.60/x
  3. Step 3: Cross multiply
    769,836,271.80x = 1,152,486,926.10 × 724,990,524.60
  4. Step 4: Simplify right side
    769,836,271.80x = 835,542,101,147,880,448
  5. Step 5: Solve for x
    x = 835,542,101,147,880,448/769,836,271.80
  6. Step 6: Final answer
    x = 1,085,350,394.30

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1.5x scale

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.