Home / 531,691,704.20-798,358,701.90-289,827,000.20

Finding the Fourth Proportional to 531,691,704.20, 798,358,701.90 and 289,827,000.20

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Solution

The fourth proportional to 531,691,704.20, 798,358,701.90 and 289,827,000.20 is: 435,188,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,691,704.20 : 798,358,701.90 = 289,827,000.20 : x
  2. Step 2: Convert to fraction form
    531,691,704.20/798,358,701.90 = 289,827,000.20/x
  3. Step 3: Cross multiply
    531,691,704.20x = 798,358,701.90 × 289,827,000.20
  4. Step 4: Simplify right side
    531,691,704.20x = 231,385,907,655,243,008
  5. Step 5: Solve for x
    x = 231,385,907,655,243,008/531,691,704.20
  6. Step 6: Final answer
    x = 435,188,109.63

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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.