Home / 414,069,335.20-621,104,002.80-198,547,645.60

Finding the Fourth Proportional to 414,069,335.20, 621,104,002.80 and 198,547,645.60

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Solution

The fourth proportional to 414,069,335.20, 621,104,002.80 and 198,547,645.60 is: 297,821,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,069,335.20 : 621,104,002.80 = 198,547,645.60 : x
  2. Step 2: Convert to fraction form
    414,069,335.20/621,104,002.80 = 198,547,645.60/x
  3. Step 3: Cross multiply
    414,069,335.20x = 621,104,002.80 × 198,547,645.60
  4. Step 4: Simplify right side
    414,069,335.20x = 123,318,737,428,675,792
  5. Step 5: Solve for x
    x = 123,318,737,428,675,792/414,069,335.20
  6. Step 6: Final answer
    x = 297,821,468.40

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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.