Home / 400,947,183.52-553,308,342.86-222,343,647.66

Finding the Fourth Proportional to 400,947,183.52, 553,308,342.86 and 222,343,647.66

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Solution

The fourth proportional to 400,947,183.52, 553,308,342.86 and 222,343,647.66 is: 306,834,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,947,183.52 : 553,308,342.86 = 222,343,647.66 : x
  2. Step 2: Convert to fraction form
    400,947,183.52/553,308,342.86 = 222,343,647.66/x
  3. Step 3: Cross multiply
    400,947,183.52x = 553,308,342.86 × 222,343,647.66
  4. Step 4: Simplify right side
    400,947,183.52x = 123,024,595,232,202,320
  5. Step 5: Solve for x
    x = 123,024,595,232,202,320/400,947,183.52
  6. Step 6: Final answer
    x = 306,834,915.64

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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.