Home / 342,144,000.20-513,216,000.30-189,088,992.20

Finding the Fourth Proportional to 342,144,000.20, 513,216,000.30 and 189,088,992.20

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Solution

The fourth proportional to 342,144,000.20, 513,216,000.30 and 189,088,992.20 is: 283,633,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,000.20 : 513,216,000.30 = 189,088,992.20 : x
  2. Step 2: Convert to fraction form
    342,144,000.20/513,216,000.30 = 189,088,992.20/x
  3. Step 3: Cross multiply
    342,144,000.20x = 513,216,000.30 × 189,088,992.20
  4. Step 4: Simplify right side
    342,144,000.20x = 97,043,496,277,641,888
  5. Step 5: Solve for x
    x = 97,043,496,277,641,888/342,144,000.20
  6. Step 6: Final answer
    x = 283,633,488.30

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Double scale
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Similar ratio
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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.