Home / 736,020,918.20-1,103,093,591.70-391,139,766.20

Finding the Fourth Proportional to 736,020,918.20, 1,103,093,591.70 and 391,139,766.20

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Solution

The fourth proportional to 736,020,918.20, 1,103,093,591.70 and 391,139,766.20 is: 586,211,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,020,918.20 : 1,103,093,591.70 = 391,139,766.20 : x
  2. Step 2: Convert to fraction form
    736,020,918.20/1,103,093,591.70 = 391,139,766.20/x
  3. Step 3: Cross multiply
    736,020,918.20x = 1,103,093,591.70 × 391,139,766.20
  4. Step 4: Simplify right side
    736,020,918.20x = 431,463,769,554,256,256
  5. Step 5: Solve for x
    x = 431,463,769,554,256,256/736,020,918.20
  6. Step 6: Final answer
    x = 586,211,286.78

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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.