Home / 472,394,710.80-708,592,066.20-326,520,061.20

Finding the Fourth Proportional to 472,394,710.80, 708,592,066.20 and 326,520,061.20

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Solution

The fourth proportional to 472,394,710.80, 708,592,066.20 and 326,520,061.20 is: 489,780,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,710.80 : 708,592,066.20 = 326,520,061.20 : x
  2. Step 2: Convert to fraction form
    472,394,710.80/708,592,066.20 = 326,520,061.20/x
  3. Step 3: Cross multiply
    472,394,710.80x = 708,592,066.20 × 326,520,061.20
  4. Step 4: Simplify right side
    472,394,710.80x = 231,369,524,821,458,464
  5. Step 5: Solve for x
    x = 231,369,524,821,458,464/472,394,710.80
  6. Step 6: Final answer
    x = 489,780,091.80

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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.