Home / 433,744,658.40-651,120,872.40-261,416,056.80

Finding the Fourth Proportional to 433,744,658.40, 651,120,872.40 and 261,416,056.80

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Solution

The fourth proportional to 433,744,658.40, 651,120,872.40 and 261,416,056.80 is: 392,427,774.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,744,658.40 : 651,120,872.40 = 261,416,056.80 : x
  2. Step 2: Convert to fraction form
    433,744,658.40/651,120,872.40 = 261,416,056.80/x
  3. Step 3: Cross multiply
    433,744,658.40x = 651,120,872.40 × 261,416,056.80
  4. Step 4: Simplify right side
    433,744,658.40x = 170,213,450,962,983,968
  5. Step 5: Solve for x
    x = 170,213,450,962,983,968/433,744,658.40
  6. Step 6: Final answer
    x = 392,427,774.42

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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.