Home / 398,653,538.92-598,009,040.22-153,010,173.73

Finding the Fourth Proportional to 398,653,538.92, 598,009,040.22 and 153,010,173.73

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Solution

The fourth proportional to 398,653,538.92, 598,009,040.22 and 153,010,173.73 is: 229,526,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,653,538.92 : 598,009,040.22 = 153,010,173.73 : x
  2. Step 2: Convert to fraction form
    398,653,538.92/598,009,040.22 = 153,010,173.73/x
  3. Step 3: Cross multiply
    398,653,538.92x = 598,009,040.22 × 153,010,173.73
  4. Step 4: Simplify right side
    398,653,538.92x = 91,501,467,136,172,752
  5. Step 5: Solve for x
    x = 91,501,467,136,172,752/398,653,538.92
  6. Step 6: Final answer
    x = 229,526,288.38

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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.