Home / 936,967,375.85-1,293,015,101.28-519,306,625.49

Finding the Fourth Proportional to 936,967,375.85, 1,293,015,101.28 and 519,306,625.49

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Solution

The fourth proportional to 936,967,375.85, 1,293,015,101.28 and 519,306,625.49 is: 716,643,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,967,375.85 : 1,293,015,101.28 = 519,306,625.49 : x
  2. Step 2: Convert to fraction form
    936,967,375.85/1,293,015,101.28 = 519,306,625.49/x
  3. Step 3: Cross multiply
    936,967,375.85x = 1,293,015,101.28 × 519,306,625.49
  4. Step 4: Simplify right side
    936,967,375.85x = 671,471,308,953,327,360
  5. Step 5: Solve for x
    x = 671,471,308,953,327,360/936,967,375.85
  6. Step 6: Final answer
    x = 716,643,211.13

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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.