Home / 1,279,055,707,736.90-1,918,598,300,189.10-462,290,484,278.16

Finding the Fourth Proportional to 1,279,055,707,736.90, 1,918,598,300,189.10 and 462,290,484,278.16

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Solution

The fourth proportional to 1,279,055,707,736.90, 1,918,598,300,189.10 and 462,290,484,278.16 is: 693,441,053,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,055,707,736.90 : 1,918,598,300,189.10 = 462,290,484,278.16 : x
  2. Step 2: Convert to fraction form
    1,279,055,707,736.90/1,918,598,300,189.10 = 462,290,484,278.16/x
  3. Step 3: Cross multiply
    1,279,055,707,736.90x = 1,918,598,300,189.10 × 462,290,484,278.16
  4. Step 4: Simplify right side
    1,279,055,707,736.90x = 886,949,737,329,673,587,654,656
  5. Step 5: Solve for x
    x = 886,949,737,329,673,587,654,656/1,279,055,707,736.90
  6. Step 6: Final answer
    x = 693,441,053,399.47

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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.