Home / 667,318,534.90-1,000,977,802.35-449,073,430.90

Finding the Fourth Proportional to 667,318,534.90, 1,000,977,802.35 and 449,073,430.90

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Solution

The fourth proportional to 667,318,534.90, 1,000,977,802.35 and 449,073,430.90 is: 673,610,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,318,534.90 : 1,000,977,802.35 = 449,073,430.90 : x
  2. Step 2: Convert to fraction form
    667,318,534.90/1,000,977,802.35 = 449,073,430.90/x
  3. Step 3: Cross multiply
    667,318,534.90x = 1,000,977,802.35 × 449,073,430.90
  4. Step 4: Simplify right side
    667,318,534.90x = 449,512,535,956,056,576
  5. Step 5: Solve for x
    x = 449,512,535,956,056,576/667,318,534.90
  6. Step 6: Final answer
    x = 673,610,146.35

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1.5x scale

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.