Home / 413,757,459.94-571,530,331.32-306,683,844.38

Finding the Fourth Proportional to 413,757,459.94, 571,530,331.32 and 306,683,844.38

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Solution

The fourth proportional to 413,757,459.94, 571,530,331.32 and 306,683,844.38 is: 423,627,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,757,459.94 : 571,530,331.32 = 306,683,844.38 : x
  2. Step 2: Convert to fraction form
    413,757,459.94/571,530,331.32 = 306,683,844.38/x
  3. Step 3: Cross multiply
    413,757,459.94x = 571,530,331.32 × 306,683,844.38
  4. Step 4: Simplify right side
    413,757,459.94x = 175,279,119,188,992,736
  5. Step 5: Solve for x
    x = 175,279,119,188,992,736/413,757,459.94
  6. Step 6: Final answer
    x = 423,627,695.35

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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.