Home / 467,710,982.79-645,441,358.32-256,019,020.89

Finding the Fourth Proportional to 467,710,982.79, 645,441,358.32 and 256,019,020.89

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Solution

The fourth proportional to 467,710,982.79, 645,441,358.32 and 256,019,020.89 is: 353,306,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,710,982.79 : 645,441,358.32 = 256,019,020.89 : x
  2. Step 2: Convert to fraction form
    467,710,982.79/645,441,358.32 = 256,019,020.89/x
  3. Step 3: Cross multiply
    467,710,982.79x = 645,441,358.32 × 256,019,020.89
  4. Step 4: Simplify right side
    467,710,982.79x = 165,245,264,598,998,048
  5. Step 5: Solve for x
    x = 165,245,264,598,998,048/467,710,982.79
  6. Step 6: Final answer
    x = 353,306,359.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.