Home / 646,160,751,031.38-969,260,872,237.42-221,683,061,791.30

Finding the Fourth Proportional to 646,160,751,031.38, 969,260,872,237.42 and 221,683,061,791.30

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Solution

The fourth proportional to 646,160,751,031.38, 969,260,872,237.42 and 221,683,061,791.30 is: 332,531,366,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,160,751,031.38 : 969,260,872,237.42 = 221,683,061,791.30 : x
  2. Step 2: Convert to fraction form
    646,160,751,031.38/969,260,872,237.42 = 221,683,061,791.30/x
  3. Step 3: Cross multiply
    646,160,751,031.38x = 969,260,872,237.42 × 221,683,061,791.30
  4. Step 4: Simplify right side
    646,160,751,031.38x = 214,868,717,832,097,320,927,232
  5. Step 5: Solve for x
    x = 214,868,717,832,097,320,927,232/646,160,751,031.38
  6. Step 6: Final answer
    x = 332,531,366,984.35

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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.