Home / 380,601,957.44-525,204,269.64-211,064,940.70

Finding the Fourth Proportional to 380,601,957.44, 525,204,269.64 and 211,064,940.70

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Solution

The fourth proportional to 380,601,957.44, 525,204,269.64 and 211,064,940.70 is: 291,254,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,601,957.44 : 525,204,269.64 = 211,064,940.70 : x
  2. Step 2: Convert to fraction form
    380,601,957.44/525,204,269.64 = 211,064,940.70/x
  3. Step 3: Cross multiply
    380,601,957.44x = 525,204,269.64 × 211,064,940.70
  4. Step 4: Simplify right side
    380,601,957.44x = 110,852,208,025,640,384
  5. Step 5: Solve for x
    x = 110,852,208,025,640,384/380,601,957.44
  6. Step 6: Final answer
    x = 291,254,960.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.