Home / 301,215,849.20-451,823,773.80-209,382,844.40

Finding the Fourth Proportional to 301,215,849.20, 451,823,773.80 and 209,382,844.40

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Solution

The fourth proportional to 301,215,849.20, 451,823,773.80 and 209,382,844.40 is: 314,074,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,215,849.20 : 451,823,773.80 = 209,382,844.40 : x
  2. Step 2: Convert to fraction form
    301,215,849.20/451,823,773.80 = 209,382,844.40/x
  3. Step 3: Cross multiply
    301,215,849.20x = 451,823,773.80 × 209,382,844.40
  4. Step 4: Simplify right side
    301,215,849.20x = 94,604,146,925,786,208
  5. Step 5: Solve for x
    x = 94,604,146,925,786,208/301,215,849.20
  6. Step 6: Final answer
    x = 314,074,266.60

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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.