Home / 776,894,718.26-1,072,102,198.29-424,463,139.38

Finding the Fourth Proportional to 776,894,718.26, 1,072,102,198.29 and 424,463,139.38

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Solution

The fourth proportional to 776,894,718.26, 1,072,102,198.29 and 424,463,139.38 is: 585,752,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,894,718.26 : 1,072,102,198.29 = 424,463,139.38 : x
  2. Step 2: Convert to fraction form
    776,894,718.26/1,072,102,198.29 = 424,463,139.38/x
  3. Step 3: Cross multiply
    776,894,718.26x = 1,072,102,198.29 × 424,463,139.38
  4. Step 4: Simplify right side
    776,894,718.26x = 455,067,864,822,372,672
  5. Step 5: Solve for x
    x = 455,067,864,822,372,672/776,894,718.26
  6. Step 6: Final answer
    x = 585,752,295.81

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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.