Home / 288,005,758.84-397,449,000.48-155,846,756.62

Finding the Fourth Proportional to 288,005,758.84, 397,449,000.48 and 155,846,756.62

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Solution

The fourth proportional to 288,005,758.84, 397,449,000.48 and 155,846,756.62 is: 215,069,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,005,758.84 : 397,449,000.48 = 155,846,756.62 : x
  2. Step 2: Convert to fraction form
    288,005,758.84/397,449,000.48 = 155,846,756.62/x
  3. Step 3: Cross multiply
    288,005,758.84x = 397,449,000.48 × 155,846,756.62
  4. Step 4: Simplify right side
    288,005,758.84x = 61,941,137,646,668,832
  5. Step 5: Solve for x
    x = 61,941,137,646,668,832/288,005,758.84
  6. Step 6: Final answer
    x = 215,069,094.09

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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.