Home / 314,929,565.70-472,394,348.55-217,994,727.30

Finding the Fourth Proportional to 314,929,565.70, 472,394,348.55 and 217,994,727.30

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Solution

The fourth proportional to 314,929,565.70, 472,394,348.55 and 217,994,727.30 is: 326,992,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,565.70 : 472,394,348.55 = 217,994,727.30 : x
  2. Step 2: Convert to fraction form
    314,929,565.70/472,394,348.55 = 217,994,727.30/x
  3. Step 3: Cross multiply
    314,929,565.70x = 472,394,348.55 × 217,994,727.30
  4. Step 4: Simplify right side
    314,929,565.70x = 102,979,477,190,218,416
  5. Step 5: Solve for x
    x = 102,979,477,190,218,416/314,929,565.70
  6. Step 6: Final answer
    x = 326,992,090.95

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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.