Home / 851,195,705.12-1,174,649,542.49-460,055,129.12

Finding the Fourth Proportional to 851,195,705.12, 1,174,649,542.49 and 460,055,129.12

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Solution

The fourth proportional to 851,195,705.12, 1,174,649,542.49 and 460,055,129.12 is: 634,875,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,195,705.12 : 1,174,649,542.49 = 460,055,129.12 : x
  2. Step 2: Convert to fraction form
    851,195,705.12/1,174,649,542.49 = 460,055,129.12/x
  3. Step 3: Cross multiply
    851,195,705.12x = 1,174,649,542.49 × 460,055,129.12
  4. Step 4: Simplify right side
    851,195,705.12x = 540,403,546,932,812,288
  5. Step 5: Solve for x
    x = 540,403,546,932,812,288/851,195,705.12
  6. Step 6: Final answer
    x = 634,875,791.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.