Home / 878,586,677.37-1,212,446,287.55-482,116,300.36

Finding the Fourth Proportional to 878,586,677.37, 1,212,446,287.55 and 482,116,300.36

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Solution

The fourth proportional to 878,586,677.37, 1,212,446,287.55 and 482,116,300.36 is: 665,318,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,586,677.37 : 1,212,446,287.55 = 482,116,300.36 : x
  2. Step 2: Convert to fraction form
    878,586,677.37/1,212,446,287.55 = 482,116,300.36/x
  3. Step 3: Cross multiply
    878,586,677.37x = 1,212,446,287.55 × 482,116,300.36
  4. Step 4: Simplify right side
    878,586,677.37x = 584,540,118,536,996,992
  5. Step 5: Solve for x
    x = 584,540,118,536,996,992/878,586,677.37
  6. Step 6: Final answer
    x = 665,318,668.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.