Home / 1,726,204,841.80-2,589,307,262.70-991,540,803.40

Finding the Fourth Proportional to 1,726,204,841.80, 2,589,307,262.70 and 991,540,803.40

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Solution

The fourth proportional to 1,726,204,841.80, 2,589,307,262.70 and 991,540,803.40 is: 1,487,311,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,204,841.80 : 2,589,307,262.70 = 991,540,803.40 : x
  2. Step 2: Convert to fraction form
    1,726,204,841.80/2,589,307,262.70 = 991,540,803.40/x
  3. Step 3: Cross multiply
    1,726,204,841.80x = 2,589,307,262.70 × 991,540,803.40
  4. Step 4: Simplify right side
    1,726,204,841.80x = 2,567,403,803,507,012,608
  5. Step 5: Solve for x
    x = 2,567,403,803,507,012,608/1,726,204,841.80
  6. Step 6: Final answer
    x = 1,487,311,205.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.