Home / 313,171,544.10-469,757,316.15-263,286,948.90

Finding the Fourth Proportional to 313,171,544.10, 469,757,316.15 and 263,286,948.90

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Solution

The fourth proportional to 313,171,544.10, 469,757,316.15 and 263,286,948.90 is: 394,930,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,171,544.10 : 469,757,316.15 = 263,286,948.90 : x
  2. Step 2: Convert to fraction form
    313,171,544.10/469,757,316.15 = 263,286,948.90/x
  3. Step 3: Cross multiply
    313,171,544.10x = 469,757,316.15 × 263,286,948.90
  4. Step 4: Simplify right side
    313,171,544.10x = 123,680,970,492,586,192
  5. Step 5: Solve for x
    x = 123,680,970,492,586,192/313,171,544.10
  6. Step 6: Final answer
    x = 394,930,423.35

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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.