Home / 387,675,463.66-534,993,803.15-211,467,299.02

Finding the Fourth Proportional to 387,675,463.66, 534,993,803.15 and 211,467,299.02

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Solution

The fourth proportional to 387,675,463.66, 534,993,803.15 and 211,467,299.02 is: 291,825,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,675,463.66 : 534,993,803.15 = 211,467,299.02 : x
  2. Step 2: Convert to fraction form
    387,675,463.66/534,993,803.15 = 211,467,299.02/x
  3. Step 3: Cross multiply
    387,675,463.66x = 534,993,803.15 × 211,467,299.02
  4. Step 4: Simplify right side
    387,675,463.66x = 113,133,694,542,173,248
  5. Step 5: Solve for x
    x = 113,133,694,542,173,248/387,675,463.66
  6. Step 6: Final answer
    x = 291,825,779.93

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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.