Home / 827,747,145.32-1,241,625,201.32-245,486,435.69

Finding the Fourth Proportional to 827,747,145.32, 1,241,625,201.32 and 245,486,435.69

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Solution

The fourth proportional to 827,747,145.32, 1,241,625,201.32 and 245,486,435.69 is: 368,230,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,747,145.32 : 1,241,625,201.32 = 245,486,435.69 : x
  2. Step 2: Convert to fraction form
    827,747,145.32/1,241,625,201.32 = 245,486,435.69/x
  3. Step 3: Cross multiply
    827,747,145.32x = 1,241,625,201.32 × 245,486,435.69
  4. Step 4: Simplify right side
    827,747,145.32x = 304,802,145,127,489,920
  5. Step 5: Solve for x
    x = 304,802,145,127,489,920/827,747,145.32
  6. Step 6: Final answer
    x = 368,230,983.16

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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.