Home / 383,670,016.05-575,505,024.08-141,427,398.45

Finding the Fourth Proportional to 383,670,016.05, 575,505,024.08 and 141,427,398.45

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Solution

The fourth proportional to 383,670,016.05, 575,505,024.08 and 141,427,398.45 is: 212,141,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,670,016.05 : 575,505,024.08 = 141,427,398.45 : x
  2. Step 2: Convert to fraction form
    383,670,016.05/575,505,024.08 = 141,427,398.45/x
  3. Step 3: Cross multiply
    383,670,016.05x = 575,505,024.08 × 141,427,398.45
  4. Step 4: Simplify right side
    383,670,016.05x = 81,392,178,349,831,872
  5. Step 5: Solve for x
    x = 81,392,178,349,831,872/383,670,016.05
  6. Step 6: Final answer
    x = 212,141,097.68

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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.