Home / 423,488,003.70-635,232,005.55-181,175,402.10

Finding the Fourth Proportional to 423,488,003.70, 635,232,005.55 and 181,175,402.10

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Solution

The fourth proportional to 423,488,003.70, 635,232,005.55 and 181,175,402.10 is: 271,763,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,488,003.70 : 635,232,005.55 = 181,175,402.10 : x
  2. Step 2: Convert to fraction form
    423,488,003.70/635,232,005.55 = 181,175,402.10/x
  3. Step 3: Cross multiply
    423,488,003.70x = 635,232,005.55 × 181,175,402.10
  4. Step 4: Simplify right side
    423,488,003.70x = 115,088,414,032,310,672
  5. Step 5: Solve for x
    x = 115,088,414,032,310,672/423,488,003.70
  6. Step 6: Final answer
    x = 271,763,103.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.