Home / 382,677,464.64-527,812,956.08-288,595,576.44

Finding the Fourth Proportional to 382,677,464.64, 527,812,956.08 and 288,595,576.44

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Solution

The fourth proportional to 382,677,464.64, 527,812,956.08 and 288,595,576.44 is: 398,049,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,677,464.64 : 527,812,956.08 = 288,595,576.44 : x
  2. Step 2: Convert to fraction form
    382,677,464.64/527,812,956.08 = 288,595,576.44/x
  3. Step 3: Cross multiply
    382,677,464.64x = 527,812,956.08 × 288,595,576.44
  4. Step 4: Simplify right side
    382,677,464.64x = 152,324,484,312,408,000
  5. Step 5: Solve for x
    x = 152,324,484,312,408,000/382,677,464.64
  6. Step 6: Final answer
    x = 398,049,267.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.