Home / 448,460,951.40-672,691,427.10-206,596,247.40

Finding the Fourth Proportional to 448,460,951.40, 672,691,427.10 and 206,596,247.40

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Solution

The fourth proportional to 448,460,951.40, 672,691,427.10 and 206,596,247.40 is: 309,894,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,460,951.40 : 672,691,427.10 = 206,596,247.40 : x
  2. Step 2: Convert to fraction form
    448,460,951.40/672,691,427.10 = 206,596,247.40/x
  3. Step 3: Cross multiply
    448,460,951.40x = 672,691,427.10 × 206,596,247.40
  4. Step 4: Simplify right side
    448,460,951.40x = 138,975,524,497,010,672
  5. Step 5: Solve for x
    x = 138,975,524,497,010,672/448,460,951.40
  6. Step 6: Final answer
    x = 309,894,371.10

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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.