Home / 467,542,578.06-645,209,513.55-258,707,522.70

Finding the Fourth Proportional to 467,542,578.06, 645,209,513.55 and 258,707,522.70

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Solution

The fourth proportional to 467,542,578.06, 645,209,513.55 and 258,707,522.70 is: 357,016,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,542,578.06 : 645,209,513.55 = 258,707,522.70 : x
  2. Step 2: Convert to fraction form
    467,542,578.06/645,209,513.55 = 258,707,522.70/x
  3. Step 3: Cross multiply
    467,542,578.06x = 645,209,513.55 × 258,707,522.70
  4. Step 4: Simplify right side
    467,542,578.06x = 166,920,554,872,992,576
  5. Step 5: Solve for x
    x = 166,920,554,872,992,576/467,542,578.06
  6. Step 6: Final answer
    x = 357,016,799.55

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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.