Home / 1,053,351,757.71-1,578,887,192.61-685,149,837.39

Finding the Fourth Proportional to 1,053,351,757.71, 1,578,887,192.61 and 685,149,837.39

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Solution

The fourth proportional to 1,053,351,757.71, 1,578,887,192.61 and 685,149,837.39 is: 1,026,982,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,351,757.71 : 1,578,887,192.61 = 685,149,837.39 : x
  2. Step 2: Convert to fraction form
    1,053,351,757.71/1,578,887,192.61 = 685,149,837.39/x
  3. Step 3: Cross multiply
    1,053,351,757.71x = 1,578,887,192.61 × 685,149,837.39
  4. Step 4: Simplify right side
    1,053,351,757.71x = 1,081,774,303,273,895,040
  5. Step 5: Solve for x
    x = 1,081,774,303,273,895,040/1,053,351,757.71
  6. Step 6: Final answer
    x = 1,026,982,957.36

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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.