Home / 398,653,541.42-598,009,043.97-153,010,176.23

Finding the Fourth Proportional to 398,653,541.42, 598,009,043.97 and 153,010,176.23

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Solution

The fourth proportional to 398,653,541.42, 598,009,043.97 and 153,010,176.23 is: 229,526,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,653,541.42 : 598,009,043.97 = 153,010,176.23 : x
  2. Step 2: Convert to fraction form
    398,653,541.42/598,009,043.97 = 153,010,176.23/x
  3. Step 3: Cross multiply
    398,653,541.42x = 598,009,043.97 × 153,010,176.23
  4. Step 4: Simplify right side
    398,653,541.42x = 91,501,469,206,478,544
  5. Step 5: Solve for x
    x = 91,501,469,206,478,544/398,653,541.42
  6. Step 6: Final answer
    x = 229,526,292.13

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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.