Home / 421,852,803.48-582,161,524.74-233,683,979.58

Finding the Fourth Proportional to 421,852,803.48, 582,161,524.74 and 233,683,979.58

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Solution

The fourth proportional to 421,852,803.48, 582,161,524.74 and 233,683,979.58 is: 322,486,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,852,803.48 : 582,161,524.74 = 233,683,979.58 : x
  2. Step 2: Convert to fraction form
    421,852,803.48/582,161,524.74 = 233,683,979.58/x
  3. Step 3: Cross multiply
    421,852,803.48x = 582,161,524.74 × 233,683,979.58
  4. Step 4: Simplify right side
    421,852,803.48x = 136,041,821,859,603,840
  5. Step 5: Solve for x
    x = 136,041,821,859,603,840/421,852,803.48
  6. Step 6: Final answer
    x = 322,486,470.96

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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.