Home / 664,304,523.40-996,456,785.10-492,117,639.40

Finding the Fourth Proportional to 664,304,523.40, 996,456,785.10 and 492,117,639.40

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Solution

The fourth proportional to 664,304,523.40, 996,456,785.10 and 492,117,639.40 is: 738,176,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,304,523.40 : 996,456,785.10 = 492,117,639.40 : x
  2. Step 2: Convert to fraction form
    664,304,523.40/996,456,785.10 = 492,117,639.40/x
  3. Step 3: Cross multiply
    664,304,523.40x = 996,456,785.10 × 492,117,639.40
  4. Step 4: Simplify right side
    664,304,523.40x = 490,373,960,847,525,056
  5. Step 5: Solve for x
    x = 490,373,960,847,525,056/664,304,523.40
  6. Step 6: Final answer
    x = 738,176,459.10

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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.