Home / 643,046,550.76-963,676,217.94-335,725,636.60

Finding the Fourth Proportional to 643,046,550.76, 963,676,217.94 and 335,725,636.60

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Solution

The fourth proportional to 643,046,550.76, 963,676,217.94 and 335,725,636.60 is: 503,121,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,046,550.76 : 963,676,217.94 = 335,725,636.60 : x
  2. Step 2: Convert to fraction form
    643,046,550.76/963,676,217.94 = 335,725,636.60/x
  3. Step 3: Cross multiply
    643,046,550.76x = 963,676,217.94 × 335,725,636.60
  4. Step 4: Simplify right side
    643,046,550.76x = 323,530,811,744,186,880
  5. Step 5: Solve for x
    x = 323,530,811,744,186,880/643,046,550.76
  6. Step 6: Final answer
    x = 503,121,914.52

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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.