Home / 808,514,909.40-1,212,772,364.10-324,188,304.60

Finding the Fourth Proportional to 808,514,909.40, 1,212,772,364.10 and 324,188,304.60

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Solution

The fourth proportional to 808,514,909.40, 1,212,772,364.10 and 324,188,304.60 is: 486,282,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,514,909.40 : 1,212,772,364.10 = 324,188,304.60 : x
  2. Step 2: Convert to fraction form
    808,514,909.40/1,212,772,364.10 = 324,188,304.60/x
  3. Step 3: Cross multiply
    808,514,909.40x = 1,212,772,364.10 × 324,188,304.60
  4. Step 4: Simplify right side
    808,514,909.40x = 393,166,616,583,312,896
  5. Step 5: Solve for x
    x = 393,166,616,583,312,896/808,514,909.40
  6. Step 6: Final answer
    x = 486,282,456.90

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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.