Home / 742,448,112.38-1,113,665,077.82-451,395,591.38

Finding the Fourth Proportional to 742,448,112.38, 1,113,665,077.82 and 451,395,591.38

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Solution

The fourth proportional to 742,448,112.38, 1,113,665,077.82 and 451,395,591.38 is: 677,089,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,448,112.38 : 1,113,665,077.82 = 451,395,591.38 : x
  2. Step 2: Convert to fraction form
    742,448,112.38/1,113,665,077.82 = 451,395,591.38/x
  3. Step 3: Cross multiply
    742,448,112.38x = 1,113,665,077.82 × 451,395,591.38
  4. Step 4: Simplify right side
    742,448,112.38x = 502,703,506,397,372,800
  5. Step 5: Solve for x
    x = 502,703,506,397,372,800/742,448,112.38
  6. Step 6: Final answer
    x = 677,089,076.02

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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.