Home / 207,910,109,068.54-286,917,635,142.34-115,212,511,957.90

Finding the Fourth Proportional to 207,910,109,068.54, 286,917,635,142.34 and 115,212,511,957.90

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Solution

The fourth proportional to 207,910,109,068.54, 286,917,635,142.34 and 115,212,511,957.90 is: 158,994,200,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,910,109,068.54 : 286,917,635,142.34 = 115,212,511,957.90 : x
  2. Step 2: Convert to fraction form
    207,910,109,068.54/286,917,635,142.34 = 115,212,511,957.90/x
  3. Step 3: Cross multiply
    207,910,109,068.54x = 286,917,635,142.34 × 115,212,511,957.90
  4. Step 4: Simplify right side
    207,910,109,068.54x = 33,056,501,469,769,237,528,576
  5. Step 5: Solve for x
    x = 33,056,501,469,769,237,528,576/207,910,109,068.54
  6. Step 6: Final answer
    x = 158,994,200,031.28

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1.5x scale

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.