Home / 991,250,460.54-1,367,928,361.26-545,259,513.06

Finding the Fourth Proportional to 991,250,460.54, 1,367,928,361.26 and 545,259,513.06

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Solution

The fourth proportional to 991,250,460.54, 1,367,928,361.26 and 545,259,513.06 is: 752,459,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,250,460.54 : 1,367,928,361.26 = 545,259,513.06 : x
  2. Step 2: Convert to fraction form
    991,250,460.54/1,367,928,361.26 = 545,259,513.06/x
  3. Step 3: Cross multiply
    991,250,460.54x = 1,367,928,361.26 × 545,259,513.06
  4. Step 4: Simplify right side
    991,250,460.54x = 745,875,952,161,591,296
  5. Step 5: Solve for x
    x = 745,875,952,161,591,296/991,250,460.54
  6. Step 6: Final answer
    x = 752,459,627.36

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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.