Home / 387,367,252.11-534,562,456.77-211,151,381.04

Finding the Fourth Proportional to 387,367,252.11, 534,562,456.77 and 211,151,381.04

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Solution

The fourth proportional to 387,367,252.11, 534,562,456.77 and 211,151,381.04 is: 291,386,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,367,252.11 : 534,562,456.77 = 211,151,381.04 : x
  2. Step 2: Convert to fraction form
    387,367,252.11/534,562,456.77 = 211,151,381.04/x
  3. Step 3: Cross multiply
    387,367,252.11x = 534,562,456.77 × 211,151,381.04
  4. Step 4: Simplify right side
    387,367,252.11x = 112,873,600,999,120,784
  5. Step 5: Solve for x
    x = 112,873,600,999,120,784/387,367,252.11
  6. Step 6: Final answer
    x = 291,386,534.06

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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.