Home / 434,436,416.20-651,686,117.10-261,540,944.20

Finding the Fourth Proportional to 434,436,416.20, 651,686,117.10 and 261,540,944.20

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Solution

The fourth proportional to 434,436,416.20, 651,686,117.10 and 261,540,944.20 is: 392,330,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,436,416.20 : 651,686,117.10 = 261,540,944.20 : x
  2. Step 2: Convert to fraction form
    434,436,416.20/651,686,117.10 = 261,540,944.20/x
  3. Step 3: Cross multiply
    434,436,416.20x = 651,686,117.10 × 261,540,944.20
  4. Step 4: Simplify right side
    434,436,416.20x = 170,442,602,388,365,760
  5. Step 5: Solve for x
    x = 170,442,602,388,365,760/434,436,416.20
  6. Step 6: Final answer
    x = 392,330,375.71

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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.