Home / 421,879,877,625.56-582,244,141,970.24-250,602,485,812.16

Finding the Fourth Proportional to 421,879,877,625.56, 582,244,141,970.24 and 250,602,485,812.16

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Solution

The fourth proportional to 421,879,877,625.56, 582,244,141,970.24 and 250,602,485,812.16 is: 345,861,078,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,879,877,625.56 : 582,244,141,970.24 = 250,602,485,812.16 : x
  2. Step 2: Convert to fraction form
    421,879,877,625.56/582,244,141,970.24 = 250,602,485,812.16/x
  3. Step 3: Cross multiply
    421,879,877,625.56x = 582,244,141,970.24 × 250,602,485,812.16
  4. Step 4: Simplify right side
    421,879,877,625.56x = 145,911,829,327,310,342,848,512
  5. Step 5: Solve for x
    x = 145,911,829,327,310,342,848,512/421,879,877,625.56
  6. Step 6: Final answer
    x = 345,861,078,154.61

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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.