Home / 448,403,406.40-672,605,109.60-263,981,569.60

Finding the Fourth Proportional to 448,403,406.40, 672,605,109.60 and 263,981,569.60

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Solution

The fourth proportional to 448,403,406.40, 672,605,109.60 and 263,981,569.60 is: 395,972,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,403,406.40 : 672,605,109.60 = 263,981,569.60 : x
  2. Step 2: Convert to fraction form
    448,403,406.40/672,605,109.60 = 263,981,569.60/x
  3. Step 3: Cross multiply
    448,403,406.40x = 672,605,109.60 × 263,981,569.60
  4. Step 4: Simplify right side
    448,403,406.40x = 177,555,352,553,188,032
  5. Step 5: Solve for x
    x = 177,555,352,553,188,032/448,403,406.40
  6. Step 6: Final answer
    x = 395,972,354.40

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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.