Home / 666,251,640,112.08-919,427,263,354.80-381,110,160,208.11

Finding the Fourth Proportional to 666,251,640,112.08, 919,427,263,354.80 and 381,110,160,208.11

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Solution

The fourth proportional to 666,251,640,112.08, 919,427,263,354.80 and 381,110,160,208.11 is: 525,932,021,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,251,640,112.08 : 919,427,263,354.80 = 381,110,160,208.11 : x
  2. Step 2: Convert to fraction form
    666,251,640,112.08/919,427,263,354.80 = 381,110,160,208.11/x
  3. Step 3: Cross multiply
    666,251,640,112.08x = 919,427,263,354.80 × 381,110,160,208.11
  4. Step 4: Simplify right side
    666,251,640,112.08x = 350,403,071,636,851,975,520,256
  5. Step 5: Solve for x
    x = 350,403,071,636,851,975,520,256/666,251,640,112.08
  6. Step 6: Final answer
    x = 525,932,021,087.27

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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.