Home / 314,928,677.20-472,393,015.80-192,484,670.80

Finding the Fourth Proportional to 314,928,677.20, 472,393,015.80 and 192,484,670.80

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Solution

The fourth proportional to 314,928,677.20, 472,393,015.80 and 192,484,670.80 is: 288,727,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,677.20 : 472,393,015.80 = 192,484,670.80 : x
  2. Step 2: Convert to fraction form
    314,928,677.20/472,393,015.80 = 192,484,670.80/x
  3. Step 3: Cross multiply
    314,928,677.20x = 472,393,015.80 × 192,484,670.80
  4. Step 4: Simplify right side
    314,928,677.20x = 90,928,414,134,482,208
  5. Step 5: Solve for x
    x = 90,928,414,134,482,208/314,928,677.20
  6. Step 6: Final answer
    x = 288,727,006.20

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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.