Home / 1,053,208,755.18-1,579,917,452.67-389,396,824.56

Finding the Fourth Proportional to 1,053,208,755.18, 1,579,917,452.67 and 389,396,824.56

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Solution

The fourth proportional to 1,053,208,755.18, 1,579,917,452.67 and 389,396,824.56 is: 584,133,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,208,755.18 : 1,579,917,452.67 = 389,396,824.56 : x
  2. Step 2: Convert to fraction form
    1,053,208,755.18/1,579,917,452.67 = 389,396,824.56/x
  3. Step 3: Cross multiply
    1,053,208,755.18x = 1,579,917,452.67 × 389,396,824.56
  4. Step 4: Simplify right side
    1,053,208,755.18x = 615,214,839,136,622,080
  5. Step 5: Solve for x
    x = 615,214,839,136,622,080/1,053,208,755.18
  6. Step 6: Final answer
    x = 584,133,806.44

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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.