Home / 387,456,244.98-534,689,464.55-211,244,384.31

Finding the Fourth Proportional to 387,456,244.98, 534,689,464.55 and 211,244,384.31

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Solution

The fourth proportional to 387,456,244.98, 534,689,464.55 and 211,244,384.31 is: 291,517,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,456,244.98 : 534,689,464.55 = 211,244,384.31 : x
  2. Step 2: Convert to fraction form
    387,456,244.98/534,689,464.55 = 211,244,384.31/x
  3. Step 3: Cross multiply
    387,456,244.98x = 534,689,464.55 × 211,244,384.31
  4. Step 4: Simplify right side
    387,456,244.98x = 112,950,146,734,852,112
  5. Step 5: Solve for x
    x = 112,950,146,734,852,112/387,456,244.98
  6. Step 6: Final answer
    x = 291,517,166.64

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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.