Home / 851,578,984.62-1,277,359,952.46-269,313,329.34

Finding the Fourth Proportional to 851,578,984.62, 1,277,359,952.46 and 269,313,329.34

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Solution

The fourth proportional to 851,578,984.62, 1,277,359,952.46 and 269,313,329.34 is: 403,967,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,578,984.62 : 1,277,359,952.46 = 269,313,329.34 : x
  2. Step 2: Convert to fraction form
    851,578,984.62/1,277,359,952.46 = 269,313,329.34/x
  3. Step 3: Cross multiply
    851,578,984.62x = 1,277,359,952.46 × 269,313,329.34
  4. Step 4: Simplify right side
    851,578,984.62x = 344,010,061,562,586,688
  5. Step 5: Solve for x
    x = 344,010,061,562,586,688/851,578,984.62
  6. Step 6: Final answer
    x = 403,967,298.13

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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.