Home / 439,771,234.40-659,731,501.20-133,060,911.20

Finding the Fourth Proportional to 439,771,234.40, 659,731,501.20 and 133,060,911.20

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Solution

The fourth proportional to 439,771,234.40, 659,731,501.20 and 133,060,911.20 is: 199,613,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,771,234.40 : 659,731,501.20 = 133,060,911.20 : x
  2. Step 2: Convert to fraction form
    439,771,234.40/659,731,501.20 = 133,060,911.20/x
  3. Step 3: Cross multiply
    439,771,234.40x = 659,731,501.20 × 133,060,911.20
  4. Step 4: Simplify right side
    439,771,234.40x = 87,784,474,697,015,904
  5. Step 5: Solve for x
    x = 87,784,474,697,015,904/439,771,234.40
  6. Step 6: Final answer
    x = 199,613,953.42

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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.