Home / 1,132,393,019.76-1,561,897,383.12-755,859,763.14

Finding the Fourth Proportional to 1,132,393,019.76, 1,561,897,383.12 and 755,859,763.14

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Solution

The fourth proportional to 1,132,393,019.76, 1,561,897,383.12 and 755,859,763.14 is: 1,042,549,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,393,019.76 : 1,561,897,383.12 = 755,859,763.14 : x
  2. Step 2: Convert to fraction form
    1,132,393,019.76/1,561,897,383.12 = 755,859,763.14/x
  3. Step 3: Cross multiply
    1,132,393,019.76x = 1,561,897,383.12 × 755,859,763.14
  4. Step 4: Simplify right side
    1,132,393,019.76x = 1,180,575,386,054,068,992
  5. Step 5: Solve for x
    x = 1,180,575,386,054,068,992/1,132,393,019.76
  6. Step 6: Final answer
    x = 1,042,549,155.15

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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.