Home / 874,502,610.85-1,311,753,916.41-292,236,856.48

Finding the Fourth Proportional to 874,502,610.85, 1,311,753,916.41 and 292,236,856.48

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Solution

The fourth proportional to 874,502,610.85, 1,311,753,916.41 and 292,236,856.48 is: 438,355,284.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,502,610.85 : 1,311,753,916.41 = 292,236,856.48 : x
  2. Step 2: Convert to fraction form
    874,502,610.85/1,311,753,916.41 = 292,236,856.48/x
  3. Step 3: Cross multiply
    874,502,610.85x = 1,311,753,916.41 × 292,236,856.48
  4. Step 4: Simplify right side
    874,502,610.85x = 383,342,841,006,987,136
  5. Step 5: Solve for x
    x = 383,342,841,006,987,136/874,502,610.85
  6. Step 6: Final answer
    x = 438,355,284.77

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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.