Home / 735,774,991.28-1,098,972,122.86-665,637,512.48

Finding the Fourth Proportional to 735,774,991.28, 1,098,972,122.86 and 665,637,512.48

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Solution

The fourth proportional to 735,774,991.28, 1,098,972,122.86 and 665,637,512.48 is: 994,213,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,774,991.28 : 1,098,972,122.86 = 665,637,512.48 : x
  2. Step 2: Convert to fraction form
    735,774,991.28/1,098,972,122.86 = 665,637,512.48/x
  3. Step 3: Cross multiply
    735,774,991.28x = 1,098,972,122.86 × 665,637,512.48
  4. Step 4: Simplify right side
    735,774,991.28x = 731,517,070,145,395,328
  5. Step 5: Solve for x
    x = 731,517,070,145,395,328/735,774,991.28
  6. Step 6: Final answer
    x = 994,213,011.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.