Home / 417,485,950.74-576,230,952.34-238,973,320.36

Finding the Fourth Proportional to 417,485,950.74, 576,230,952.34 and 238,973,320.36

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Solution

The fourth proportional to 417,485,950.74, 576,230,952.34 and 238,973,320.36 is: 329,840,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,485,950.74 : 576,230,952.34 = 238,973,320.36 : x
  2. Step 2: Convert to fraction form
    417,485,950.74/576,230,952.34 = 238,973,320.36/x
  3. Step 3: Cross multiply
    417,485,950.74x = 576,230,952.34 × 238,973,320.36
  4. Step 4: Simplify right side
    417,485,950.74x = 137,703,823,974,894,720
  5. Step 5: Solve for x
    x = 137,703,823,974,894,720/417,485,950.74
  6. Step 6: Final answer
    x = 329,840,617.94

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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.