Home / 646,160,751,029.88-969,260,872,235.17-221,683,061,789.80

Finding the Fourth Proportional to 646,160,751,029.88, 969,260,872,235.17 and 221,683,061,789.80

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Solution

The fourth proportional to 646,160,751,029.88, 969,260,872,235.17 and 221,683,061,789.80 is: 332,531,366,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,160,751,029.88 : 969,260,872,235.17 = 221,683,061,789.80 : x
  2. Step 2: Convert to fraction form
    646,160,751,029.88/969,260,872,235.17 = 221,683,061,789.80/x
  3. Step 3: Cross multiply
    646,160,751,029.88x = 969,260,872,235.17 × 221,683,061,789.80
  4. Step 4: Simplify right side
    646,160,751,029.88x = 214,868,717,830,144,620,756,992
  5. Step 5: Solve for x
    x = 214,868,717,830,144,620,756,992/646,160,751,029.88
  6. Step 6: Final answer
    x = 332,531,366,982.10

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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.