Home / 387,675,466.92-534,993,807.62-211,467,302.28

Finding the Fourth Proportional to 387,675,466.92, 534,993,807.62 and 211,467,302.28

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Solution

The fourth proportional to 387,675,466.92, 534,993,807.62 and 211,467,302.28 is: 291,825,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,675,466.92 : 534,993,807.62 = 211,467,302.28 : x
  2. Step 2: Convert to fraction form
    387,675,466.92/534,993,807.62 = 211,467,302.28/x
  3. Step 3: Cross multiply
    387,675,466.92x = 534,993,807.62 × 211,467,302.28
  4. Step 4: Simplify right side
    387,675,466.92x = 113,133,697,233,906,704
  5. Step 5: Solve for x
    x = 113,133,697,233,906,704/387,675,466.92
  6. Step 6: Final answer
    x = 291,825,784.42

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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.