Home / 314,929,205.70-472,393,808.55-192,485,199.30

Finding the Fourth Proportional to 314,929,205.70, 472,393,808.55 and 192,485,199.30

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Solution

The fourth proportional to 314,929,205.70, 472,393,808.55 and 192,485,199.30 is: 288,727,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,205.70 : 472,393,808.55 = 192,485,199.30 : x
  2. Step 2: Convert to fraction form
    314,929,205.70/472,393,808.55 = 192,485,199.30/x
  3. Step 3: Cross multiply
    314,929,205.70x = 472,393,808.55 × 192,485,199.30
  4. Step 4: Simplify right side
    314,929,205.70x = 90,928,816,386,832,800
  5. Step 5: Solve for x
    x = 90,928,816,386,832,800/314,929,205.70
  6. Step 6: Final answer
    x = 288,727,798.95

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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.