Home / 221,227,666.20-309,144,776.40-221,227,666.20

Finding the Fourth Proportional to 221,227,666.20, 309,144,776.40 and 221,227,666.20

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Solution

The fourth proportional to 221,227,666.20, 309,144,776.40 and 221,227,666.20 is: 309,144,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,227,666.20 : 309,144,776.40 = 221,227,666.20 : x
  2. Step 2: Convert to fraction form
    221,227,666.20/309,144,776.40 = 221,227,666.20/x
  3. Step 3: Cross multiply
    221,227,666.20x = 309,144,776.40 × 221,227,666.20
  4. Step 4: Simplify right side
    221,227,666.20x = 68,391,377,400,892,832
  5. Step 5: Solve for x
    x = 68,391,377,400,892,832/221,227,666.20
  6. Step 6: Final answer
    x = 309,144,776.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.