Home / 667,318,532.40-1,000,977,798.60-449,073,428.40

Finding the Fourth Proportional to 667,318,532.40, 1,000,977,798.60 and 449,073,428.40

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Solution

The fourth proportional to 667,318,532.40, 1,000,977,798.60 and 449,073,428.40 is: 673,610,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,318,532.40 : 1,000,977,798.60 = 449,073,428.40 : x
  2. Step 2: Convert to fraction form
    667,318,532.40/1,000,977,798.60 = 449,073,428.40/x
  3. Step 3: Cross multiply
    667,318,532.40x = 1,000,977,798.60 × 449,073,428.40
  4. Step 4: Simplify right side
    667,318,532.40x = 449,512,531,769,586,688
  5. Step 5: Solve for x
    x = 449,512,531,769,586,688/667,318,532.40
  6. Step 6: Final answer
    x = 673,610,142.60

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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.