Home / 628,098,768.10-942,250,411.81-185,486,218.03

Finding the Fourth Proportional to 628,098,768.10, 942,250,411.81 and 185,486,218.03

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Solution

The fourth proportional to 628,098,768.10, 942,250,411.81 and 185,486,218.03 is: 278,259,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,098,768.10 : 942,250,411.81 = 185,486,218.03 : x
  2. Step 2: Convert to fraction form
    628,098,768.10/942,250,411.81 = 185,486,218.03/x
  3. Step 3: Cross multiply
    628,098,768.10x = 942,250,411.81 × 185,486,218.03
  4. Step 4: Simplify right side
    628,098,768.10x = 174,774,465,323,846,944
  5. Step 5: Solve for x
    x = 174,774,465,323,846,944/628,098,768.10
  6. Step 6: Final answer
    x = 278,259,525.73

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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.