Home / 1,190,563,952.87-1,785,730,468.03-361,524,776.45

Finding the Fourth Proportional to 1,190,563,952.87, 1,785,730,468.03 and 361,524,776.45

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Solution

The fourth proportional to 1,190,563,952.87, 1,785,730,468.03 and 361,524,776.45 is: 542,252,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,563,952.87 : 1,785,730,468.03 = 361,524,776.45 : x
  2. Step 2: Convert to fraction form
    1,190,563,952.87/1,785,730,468.03 = 361,524,776.45/x
  3. Step 3: Cross multiply
    1,190,563,952.87x = 1,785,730,468.03 × 361,524,776.45
  4. Step 4: Simplify right side
    1,190,563,952.87x = 645,585,808,244,667,136
  5. Step 5: Solve for x
    x = 645,585,808,244,667,136/1,190,563,952.87
  6. Step 6: Final answer
    x = 542,252,103.88

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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.