Home / 387,039,389.63-534,099,252.74-236,583,937.31

Finding the Fourth Proportional to 387,039,389.63, 534,099,252.74 and 236,583,937.31

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Solution

The fourth proportional to 387,039,389.63, 534,099,252.74 and 236,583,937.31 is: 326,476,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,039,389.63 : 534,099,252.74 = 236,583,937.31 : x
  2. Step 2: Convert to fraction form
    387,039,389.63/534,099,252.74 = 236,583,937.31/x
  3. Step 3: Cross multiply
    387,039,389.63x = 534,099,252.74 × 236,583,937.31
  4. Step 4: Simplify right side
    387,039,389.63x = 126,359,304,123,704,592
  5. Step 5: Solve for x
    x = 126,359,304,123,704,592/387,039,389.63
  6. Step 6: Final answer
    x = 326,476,600.34

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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.