Home / 1,491,874,019.40-2,237,811,029.10-508,973,889.90

Finding the Fourth Proportional to 1,491,874,019.40, 2,237,811,029.10 and 508,973,889.90

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Solution

The fourth proportional to 1,491,874,019.40, 2,237,811,029.10 and 508,973,889.90 is: 763,460,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,874,019.40 : 2,237,811,029.10 = 508,973,889.90 : x
  2. Step 2: Convert to fraction form
    1,491,874,019.40/2,237,811,029.10 = 508,973,889.90/x
  3. Step 3: Cross multiply
    1,491,874,019.40x = 2,237,811,029.10 × 508,973,889.90
  4. Step 4: Simplify right side
    1,491,874,019.40x = 1,138,987,384,342,148,992
  5. Step 5: Solve for x
    x = 1,138,987,384,342,148,992/1,491,874,019.40
  6. Step 6: Final answer
    x = 763,460,834.85

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Double scale
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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.