Home / 1,279,055,707,738.40-1,918,598,300,191.30-462,290,484,279.66

Finding the Fourth Proportional to 1,279,055,707,738.40, 1,918,598,300,191.30 and 462,290,484,279.66

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Solution

The fourth proportional to 1,279,055,707,738.40, 1,918,598,300,191.30 and 462,290,484,279.66 is: 693,441,053,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,055,707,738.40 : 1,918,598,300,191.30 = 462,290,484,279.66 : x
  2. Step 2: Convert to fraction form
    1,279,055,707,738.40/1,918,598,300,191.30 = 462,290,484,279.66/x
  3. Step 3: Cross multiply
    1,279,055,707,738.40x = 1,918,598,300,191.30 × 462,290,484,279.66
  4. Step 4: Simplify right side
    1,279,055,707,738.40x = 886,949,737,333,568,586,121,216
  5. Step 5: Solve for x
    x = 886,949,737,333,568,586,121,216/1,279,055,707,738.40
  6. Step 6: Final answer
    x = 693,441,053,401.70

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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.