Home / 421,853,176.51-582,162,039.89-233,684,352.61

Finding the Fourth Proportional to 421,853,176.51, 582,162,039.89 and 233,684,352.61

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Solution

The fourth proportional to 421,853,176.51, 582,162,039.89 and 233,684,352.61 is: 322,486,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,853,176.51 : 582,162,039.89 = 233,684,352.61 : x
  2. Step 2: Convert to fraction form
    421,853,176.51/582,162,039.89 = 233,684,352.61/x
  3. Step 3: Cross multiply
    421,853,176.51x = 582,162,039.89 × 233,684,352.61
  4. Step 4: Simplify right side
    421,853,176.51x = 136,042,159,405,811,648
  5. Step 5: Solve for x
    x = 136,042,159,405,811,648/421,853,176.51
  6. Step 6: Final answer
    x = 322,486,985.95

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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.