Home / 398,653,535.65-598,009,035.34-153,010,170.49

Finding the Fourth Proportional to 398,653,535.65, 598,009,035.34 and 153,010,170.49

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Solution

The fourth proportional to 398,653,535.65, 598,009,035.34 and 153,010,170.49 is: 229,526,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,653,535.65 : 598,009,035.34 = 153,010,170.49 : x
  2. Step 2: Convert to fraction form
    398,653,535.65/598,009,035.34 = 153,010,170.49/x
  3. Step 3: Cross multiply
    398,653,535.65x = 598,009,035.34 × 153,010,170.49
  4. Step 4: Simplify right side
    398,653,535.65x = 91,501,464,451,933,840
  5. Step 5: Solve for x
    x = 91,501,464,451,933,840/398,653,535.65
  6. Step 6: Final answer
    x = 229,526,283.53

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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.