Home / 1,188,976,112,398.60-1,782,734,280,117.20-462,058,676,221.78

Finding the Fourth Proportional to 1,188,976,112,398.60, 1,782,734,280,117.20 and 462,058,676,221.78

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Solution

The fourth proportional to 1,188,976,112,398.60, 1,782,734,280,117.20 and 462,058,676,221.78 is: 692,804,365,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,976,112,398.60 : 1,782,734,280,117.20 = 462,058,676,221.78 : x
  2. Step 2: Convert to fraction form
    1,188,976,112,398.60/1,782,734,280,117.20 = 462,058,676,221.78/x
  3. Step 3: Cross multiply
    1,188,976,112,398.60x = 1,782,734,280,117.20 × 462,058,676,221.78
  4. Step 4: Simplify right side
    1,188,976,112,398.60x = 823,727,841,526,141,388,062,720
  5. Step 5: Solve for x
    x = 823,727,841,526,141,388,062,720/1,188,976,112,398.60
  6. Step 6: Final answer
    x = 692,804,365,820.59

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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.