Home / 352,512,005.20-528,768,007.80-271,890,437.20

Finding the Fourth Proportional to 352,512,005.20, 528,768,007.80 and 271,890,437.20

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Solution

The fourth proportional to 352,512,005.20, 528,768,007.80 and 271,890,437.20 is: 407,835,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512,005.20 : 528,768,007.80 = 271,890,437.20 : x
  2. Step 2: Convert to fraction form
    352,512,005.20/528,768,007.80 = 271,890,437.20/x
  3. Step 3: Cross multiply
    352,512,005.20x = 528,768,007.80 × 271,890,437.20
  4. Step 4: Simplify right side
    352,512,005.20x = 143,766,964,818,115,008
  5. Step 5: Solve for x
    x = 143,766,964,818,115,008/352,512,005.20
  6. Step 6: Final answer
    x = 407,835,655.80

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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.