Home / 1,250,683,456.50-1,876,025,243.07-856,821,902.58

Finding the Fourth Proportional to 1,250,683,456.50, 1,876,025,243.07 and 856,821,902.58

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Solution

The fourth proportional to 1,250,683,456.50, 1,876,025,243.07 and 856,821,902.58 is: 1,285,232,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,683,456.50 : 1,876,025,243.07 = 856,821,902.58 : x
  2. Step 2: Convert to fraction form
    1,250,683,456.50/1,876,025,243.07 = 856,821,902.58/x
  3. Step 3: Cross multiply
    1,250,683,456.50x = 1,876,025,243.07 × 856,821,902.58
  4. Step 4: Simplify right side
    1,250,683,456.50x = 1,607,419,518,055,344,384
  5. Step 5: Solve for x
    x = 1,607,419,518,055,344,384/1,250,683,456.50
  6. Step 6: Final answer
    x = 1,285,232,893.82

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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.