Home / 315,040,196.20-472,560,294.30-271,958,045.80

Finding the Fourth Proportional to 315,040,196.20, 472,560,294.30 and 271,958,045.80

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Solution

The fourth proportional to 315,040,196.20, 472,560,294.30 and 271,958,045.80 is: 407,937,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,040,196.20 : 472,560,294.30 = 271,958,045.80 : x
  2. Step 2: Convert to fraction form
    315,040,196.20/472,560,294.30 = 271,958,045.80/x
  3. Step 3: Cross multiply
    315,040,196.20x = 472,560,294.30 × 271,958,045.80
  4. Step 4: Simplify right side
    315,040,196.20x = 128,516,574,160,500,880
  5. Step 5: Solve for x
    x = 128,516,574,160,500,880/315,040,196.20
  6. Step 6: Final answer
    x = 407,937,068.70

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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.