Home / 414,537,870.40-621,523,370.40-196,292,766.40

Finding the Fourth Proportional to 414,537,870.40, 621,523,370.40 and 196,292,766.40

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Solution

The fourth proportional to 414,537,870.40, 621,523,370.40 and 196,292,766.40 is: 294,304,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,537,870.40 : 621,523,370.40 = 196,292,766.40 : x
  2. Step 2: Convert to fraction form
    414,537,870.40/621,523,370.40 = 196,292,766.40/x
  3. Step 3: Cross multiply
    414,537,870.40x = 621,523,370.40 × 196,292,766.40
  4. Step 4: Simplify right side
    414,537,870.40x = 122,000,541,758,067,872
  5. Step 5: Solve for x
    x = 122,000,541,758,067,872/414,537,870.40
  6. Step 6: Final answer
    x = 294,304,936.82

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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.