Home / 297,578,576.64-446,369,290.56-90,318,787.68

Finding the Fourth Proportional to 297,578,576.64, 446,369,290.56 and 90,318,787.68

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Solution

The fourth proportional to 297,578,576.64, 446,369,290.56 and 90,318,787.68 is: 135,478,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,578,576.64 : 446,369,290.56 = 90,318,787.68 : x
  2. Step 2: Convert to fraction form
    297,578,576.64/446,369,290.56 = 90,318,787.68/x
  3. Step 3: Cross multiply
    297,578,576.64x = 446,369,290.56 × 90,318,787.68
  4. Step 4: Simplify right side
    297,578,576.64x = 40,315,533,180,960,872
  5. Step 5: Solve for x
    x = 40,315,533,180,960,872/297,578,576.64
  6. Step 6: Final answer
    x = 135,478,614.21

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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.