Home / 228,827,286.80-343,240,930.20-210,015,587.60

Finding the Fourth Proportional to 228,827,286.80, 343,240,930.20 and 210,015,587.60

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Solution

The fourth proportional to 228,827,286.80, 343,240,930.20 and 210,015,587.60 is: 315,023,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,827,286.80 : 343,240,930.20 = 210,015,587.60 : x
  2. Step 2: Convert to fraction form
    228,827,286.80/343,240,930.20 = 210,015,587.60/x
  3. Step 3: Cross multiply
    228,827,286.80x = 343,240,930.20 × 210,015,587.60
  4. Step 4: Simplify right side
    228,827,286.80x = 72,085,945,644,323,584
  5. Step 5: Solve for x
    x = 72,085,945,644,323,584/228,827,286.80
  6. Step 6: Final answer
    x = 315,023,381.40

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1.5x scale

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.