Home / 737,391,805.81-1,017,601,100.30-398,300,279.75

Finding the Fourth Proportional to 737,391,805.81, 1,017,601,100.30 and 398,300,279.75

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Solution

The fourth proportional to 737,391,805.81, 1,017,601,100.30 and 398,300,279.75 is: 549,654,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,391,805.81 : 1,017,601,100.30 = 398,300,279.75 : x
  2. Step 2: Convert to fraction form
    737,391,805.81/1,017,601,100.30 = 398,300,279.75/x
  3. Step 3: Cross multiply
    737,391,805.81x = 1,017,601,100.30 × 398,300,279.75
  4. Step 4: Simplify right side
    737,391,805.81x = 405,310,802,923,121,536
  5. Step 5: Solve for x
    x = 405,310,802,923,121,536/737,391,805.81
  6. Step 6: Final answer
    x = 549,654,606.59

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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.