Home / 1,003,375,036.67-1,384,345,163.77-579,834,397.38

Finding the Fourth Proportional to 1,003,375,036.67, 1,384,345,163.77 and 579,834,397.38

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Solution

The fourth proportional to 1,003,375,036.67, 1,384,345,163.77 and 579,834,397.38 is: 799,990,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,375,036.67 : 1,384,345,163.77 = 579,834,397.38 : x
  2. Step 2: Convert to fraction form
    1,003,375,036.67/1,384,345,163.77 = 579,834,397.38/x
  3. Step 3: Cross multiply
    1,003,375,036.67x = 1,384,345,163.77 × 579,834,397.38
  4. Step 4: Simplify right side
    1,003,375,036.67x = 802,690,943,804,236,928
  5. Step 5: Solve for x
    x = 802,690,943,804,236,928/1,003,375,036.67
  6. Step 6: Final answer
    x = 799,990,945.03

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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.