Home / 1,279,055,707,723.30-1,918,598,300,168.80-462,290,484,264.64

Finding the Fourth Proportional to 1,279,055,707,723.30, 1,918,598,300,168.80 and 462,290,484,264.64

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Solution

The fourth proportional to 1,279,055,707,723.30, 1,918,598,300,168.80 and 462,290,484,264.64 is: 693,441,053,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,055,707,723.30 : 1,918,598,300,168.80 = 462,290,484,264.64 : x
  2. Step 2: Convert to fraction form
    1,279,055,707,723.30/1,918,598,300,168.80 = 462,290,484,264.64/x
  3. Step 3: Cross multiply
    1,279,055,707,723.30x = 1,918,598,300,168.80 × 462,290,484,264.64
  4. Step 4: Simplify right side
    1,279,055,707,723.30x = 886,949,737,294,349,763,346,432
  5. Step 5: Solve for x
    x = 886,949,737,294,349,763,346,432/1,279,055,707,723.30
  6. Step 6: Final answer
    x = 693,441,053,379.22

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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.