Home / 827,888,628.98-1,241,685,495.84-329,857,404.40

Finding the Fourth Proportional to 827,888,628.98, 1,241,685,495.84 and 329,857,404.40

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Solution

The fourth proportional to 827,888,628.98, 1,241,685,495.84 and 329,857,404.40 is: 494,727,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,888,628.98 : 1,241,685,495.84 = 329,857,404.40 : x
  2. Step 2: Convert to fraction form
    827,888,628.98/1,241,685,495.84 = 329,857,404.40/x
  3. Step 3: Cross multiply
    827,888,628.98x = 1,241,685,495.84 × 329,857,404.40
  4. Step 4: Simplify right side
    827,888,628.98x = 409,579,154,741,715,008
  5. Step 5: Solve for x
    x = 409,579,154,741,715,008/827,888,628.98
  6. Step 6: Final answer
    x = 494,727,358.73

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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.