Home / 1,004,996,710.80-1,507,542,305.40-314,926,477.20

Finding the Fourth Proportional to 1,004,996,710.80, 1,507,542,305.40 and 314,926,477.20

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Solution

The fourth proportional to 1,004,996,710.80, 1,507,542,305.40 and 314,926,477.20 is: 472,404,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,996,710.80 : 1,507,542,305.40 = 314,926,477.20 : x
  2. Step 2: Convert to fraction form
    1,004,996,710.80/1,507,542,305.40 = 314,926,477.20/x
  3. Step 3: Cross multiply
    1,004,996,710.80x = 1,507,542,305.40 × 314,926,477.20
  4. Step 4: Simplify right side
    1,004,996,710.80x = 474,764,987,469,588,544
  5. Step 5: Solve for x
    x = 474,764,987,469,588,544/1,004,996,710.80
  6. Step 6: Final answer
    x = 472,404,518.71

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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.