Home / 331,776,207.40-497,664,311.10-311,604,226.60

Finding the Fourth Proportional to 331,776,207.40, 497,664,311.10 and 311,604,226.60

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Solution

The fourth proportional to 331,776,207.40, 497,664,311.10 and 311,604,226.60 is: 467,406,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,207.40 : 497,664,311.10 = 311,604,226.60 : x
  2. Step 2: Convert to fraction form
    331,776,207.40/497,664,311.10 = 311,604,226.60/x
  3. Step 3: Cross multiply
    331,776,207.40x = 497,664,311.10 × 311,604,226.60
  4. Step 4: Simplify right side
    331,776,207.40x = 155,074,302,766,737,312
  5. Step 5: Solve for x
    x = 155,074,302,766,737,312/331,776,207.40
  6. Step 6: Final answer
    x = 467,406,339.90

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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.