Home / 750,755,324.20-1,126,132,986.30-720,144,322.60

Finding the Fourth Proportional to 750,755,324.20, 1,126,132,986.30 and 720,144,322.60

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Solution

The fourth proportional to 750,755,324.20, 1,126,132,986.30 and 720,144,322.60 is: 1,080,216,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,755,324.20 : 1,126,132,986.30 = 720,144,322.60 : x
  2. Step 2: Convert to fraction form
    750,755,324.20/1,126,132,986.30 = 720,144,322.60/x
  3. Step 3: Cross multiply
    750,755,324.20x = 1,126,132,986.30 × 720,144,322.60
  4. Step 4: Simplify right side
    750,755,324.20x = 810,978,276,576,528,512
  5. Step 5: Solve for x
    x = 810,978,276,576,528,512/750,755,324.20
  6. Step 6: Final answer
    x = 1,080,216,483.90

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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.