Home / 752,164,658.70-1,037,989,229.94-417,637,803.54

Finding the Fourth Proportional to 752,164,658.70, 1,037,989,229.94 and 417,637,803.54

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Solution

The fourth proportional to 752,164,658.70, 1,037,989,229.94 and 417,637,803.54 is: 576,341,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,164,658.70 : 1,037,989,229.94 = 417,637,803.54 : x
  2. Step 2: Convert to fraction form
    752,164,658.70/1,037,989,229.94 = 417,637,803.54/x
  3. Step 3: Cross multiply
    752,164,658.70x = 1,037,989,229.94 × 417,637,803.54
  4. Step 4: Simplify right side
    752,164,658.70x = 433,503,542,090,317,632
  5. Step 5: Solve for x
    x = 433,503,542,090,317,632/752,164,658.70
  6. Step 6: Final answer
    x = 576,341,279.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.