Home / 313,073,608.10-469,610,412.15-286,288,981.70

Finding the Fourth Proportional to 313,073,608.10, 469,610,412.15 and 286,288,981.70

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Solution

The fourth proportional to 313,073,608.10, 469,610,412.15 and 286,288,981.70 is: 429,433,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,073,608.10 : 469,610,412.15 = 286,288,981.70 : x
  2. Step 2: Convert to fraction form
    313,073,608.10/469,610,412.15 = 286,288,981.70/x
  3. Step 3: Cross multiply
    313,073,608.10x = 469,610,412.15 × 286,288,981.70
  4. Step 4: Simplify right side
    313,073,608.10x = 134,444,286,690,140,800
  5. Step 5: Solve for x
    x = 134,444,286,690,140,800/313,073,608.10
  6. Step 6: Final answer
    x = 429,433,472.55

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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.