Home / 372,228,741.70-558,343,112.55-178,518,497.20

Finding the Fourth Proportional to 372,228,741.70, 558,343,112.55 and 178,518,497.20

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Solution

The fourth proportional to 372,228,741.70, 558,343,112.55 and 178,518,497.20 is: 267,777,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,228,741.70 : 558,343,112.55 = 178,518,497.20 : x
  2. Step 2: Convert to fraction form
    372,228,741.70/558,343,112.55 = 178,518,497.20/x
  3. Step 3: Cross multiply
    372,228,741.70x = 558,343,112.55 × 178,518,497.20
  4. Step 4: Simplify right side
    372,228,741.70x = 99,674,573,374,396,448
  5. Step 5: Solve for x
    x = 99,674,573,374,396,448/372,228,741.70
  6. Step 6: Final answer
    x = 267,777,745.80

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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.