Home / 755,928,991.89-1,043,244,108.09-416,903,772.15

Finding the Fourth Proportional to 755,928,991.89, 1,043,244,108.09 and 416,903,772.15

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Solution

The fourth proportional to 755,928,991.89, 1,043,244,108.09 and 416,903,772.15 is: 575,361,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,928,991.89 : 1,043,244,108.09 = 416,903,772.15 : x
  2. Step 2: Convert to fraction form
    755,928,991.89/1,043,244,108.09 = 416,903,772.15/x
  3. Step 3: Cross multiply
    755,928,991.89x = 1,043,244,108.09 × 416,903,772.15
  4. Step 4: Simplify right side
    755,928,991.89x = 434,932,403,935,983,296
  5. Step 5: Solve for x
    x = 434,932,403,935,983,296/755,928,991.89
  6. Step 6: Final answer
    x = 575,361,454.05

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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.