Home / 522,936,331.80-784,320,516.90-159,346,123.80

Finding the Fourth Proportional to 522,936,331.80, 784,320,516.90 and 159,346,123.80

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Solution

The fourth proportional to 522,936,331.80, 784,320,516.90 and 159,346,123.80 is: 238,993,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,936,331.80 : 784,320,516.90 = 159,346,123.80 : x
  2. Step 2: Convert to fraction form
    522,936,331.80/784,320,516.90 = 159,346,123.80/x
  3. Step 3: Cross multiply
    522,936,331.80x = 784,320,516.90 × 159,346,123.80
  4. Step 4: Simplify right side
    522,936,331.80x = 124,978,434,184,827,392
  5. Step 5: Solve for x
    x = 124,978,434,184,827,392/522,936,331.80
  6. Step 6: Final answer
    x = 238,993,595.56

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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.