Home / 987,488,898.28-1,481,230,394.82-250,557,378.28

Finding the Fourth Proportional to 987,488,898.28, 1,481,230,394.82 and 250,557,378.28

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Solution

The fourth proportional to 987,488,898.28, 1,481,230,394.82 and 250,557,378.28 is: 375,835,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,488,898.28 : 1,481,230,394.82 = 250,557,378.28 : x
  2. Step 2: Convert to fraction form
    987,488,898.28/1,481,230,394.82 = 250,557,378.28/x
  3. Step 3: Cross multiply
    987,488,898.28x = 1,481,230,394.82 × 250,557,378.28
  4. Step 4: Simplify right side
    987,488,898.28x = 371,133,204,354,748,480
  5. Step 5: Solve for x
    x = 371,133,204,354,748,480/987,488,898.28
  6. Step 6: Final answer
    x = 375,835,318.25

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1.5x scale

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.