Home / 1,395,543,605.22-1,925,863,089.30-769,034,452.68

Finding the Fourth Proportional to 1,395,543,605.22, 1,925,863,089.30 and 769,034,452.68

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Solution

The fourth proportional to 1,395,543,605.22, 1,925,863,089.30 and 769,034,452.68 is: 1,061,274,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,543,605.22 : 1,925,863,089.30 = 769,034,452.68 : x
  2. Step 2: Convert to fraction form
    1,395,543,605.22/1,925,863,089.30 = 769,034,452.68/x
  3. Step 3: Cross multiply
    1,395,543,605.22x = 1,925,863,089.30 × 769,034,452.68
  4. Step 4: Simplify right side
    1,395,543,605.22x = 1,481,055,066,816,439,296
  5. Step 5: Solve for x
    x = 1,481,055,066,816,439,296/1,395,543,605.22
  6. Step 6: Final answer
    x = 1,061,274,661.20

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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.