Home / 885,673,615.26-1,222,229,542.38-478,304,284.34

Finding the Fourth Proportional to 885,673,615.26, 1,222,229,542.38 and 478,304,284.34

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Solution

The fourth proportional to 885,673,615.26, 1,222,229,542.38 and 478,304,284.34 is: 660,059,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,673,615.26 : 1,222,229,542.38 = 478,304,284.34 : x
  2. Step 2: Convert to fraction form
    885,673,615.26/1,222,229,542.38 = 478,304,284.34/x
  3. Step 3: Cross multiply
    885,673,615.26x = 1,222,229,542.38 × 478,304,284.34
  4. Step 4: Simplify right side
    885,673,615.26x = 584,597,626,567,271,680
  5. Step 5: Solve for x
    x = 584,597,626,567,271,680/885,673,615.26
  6. Step 6: Final answer
    x = 660,059,887.18

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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.