Home / 314,930,771.70-472,396,157.55-288,146,145.30

Finding the Fourth Proportional to 314,930,771.70, 472,396,157.55 and 288,146,145.30

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Solution

The fourth proportional to 314,930,771.70, 472,396,157.55 and 288,146,145.30 is: 432,219,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,771.70 : 472,396,157.55 = 288,146,145.30 : x
  2. Step 2: Convert to fraction form
    314,930,771.70/472,396,157.55 = 288,146,145.30/x
  3. Step 3: Cross multiply
    314,930,771.70x = 472,396,157.55 × 288,146,145.30
  4. Step 4: Simplify right side
    314,930,771.70x = 136,119,131,852,564,000
  5. Step 5: Solve for x
    x = 136,119,131,852,564,000/314,930,771.70
  6. Step 6: Final answer
    x = 432,219,217.95

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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.