Home / 991,741,060.44-1,368,561,630.51-539,620,888.64

Finding the Fourth Proportional to 991,741,060.44, 1,368,561,630.51 and 539,620,888.64

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Solution

The fourth proportional to 991,741,060.44, 1,368,561,630.51 and 539,620,888.64 is: 744,654,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,741,060.44 : 1,368,561,630.51 = 539,620,888.64 : x
  2. Step 2: Convert to fraction form
    991,741,060.44/1,368,561,630.51 = 539,620,888.64/x
  3. Step 3: Cross multiply
    991,741,060.44x = 1,368,561,630.51 × 539,620,888.64
  4. Step 4: Simplify right side
    991,741,060.44x = 738,504,443,207,570,688
  5. Step 5: Solve for x
    x = 738,504,443,207,570,688/991,741,060.44
  6. Step 6: Final answer
    x = 744,654,499.71

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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.