Home / 127,650,818,999.40-191,476,228,499.10-125,909,393,130.60

Finding the Fourth Proportional to 127,650,818,999.40, 191,476,228,499.10 and 125,909,393,130.60

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Solution

The fourth proportional to 127,650,818,999.40, 191,476,228,499.10 and 125,909,393,130.60 is: 188,864,089,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650,818,999.40 : 191,476,228,499.10 = 125,909,393,130.60 : x
  2. Step 2: Convert to fraction form
    127,650,818,999.40/191,476,228,499.10 = 125,909,393,130.60/x
  3. Step 3: Cross multiply
    127,650,818,999.40x = 191,476,228,499.10 × 125,909,393,130.60
  4. Step 4: Simplify right side
    127,650,818,999.40x = 24,108,655,729,257,780,084,736
  5. Step 5: Solve for x
    x = 24,108,655,729,257,780,084,736/127,650,818,999.40
  6. Step 6: Final answer
    x = 188,864,089,695.90

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1.5x scale

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.