Home / 275,685,190,837.20-380,445,564,087.58-148,955,644,213.17

Finding the Fourth Proportional to 275,685,190,837.20, 380,445,564,087.58 and 148,955,644,213.17

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Solution

The fourth proportional to 275,685,190,837.20, 380,445,564,087.58 and 148,955,644,213.17 is: 205,558,789,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,685,190,837.20 : 380,445,564,087.58 = 148,955,644,213.17 : x
  2. Step 2: Convert to fraction form
    275,685,190,837.20/380,445,564,087.58 = 148,955,644,213.17/x
  3. Step 3: Cross multiply
    275,685,190,837.20x = 380,445,564,087.58 × 148,955,644,213.17
  4. Step 4: Simplify right side
    275,685,190,837.20x = 56,669,514,086,708,336,918,528
  5. Step 5: Solve for x
    x = 56,669,514,086,708,336,918,528/275,685,190,837.20
  6. Step 6: Final answer
    x = 205,558,789,409.81

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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.