Home / 421,879,877,680.77-582,244,142,046.58-250,602,485,867.37

Finding the Fourth Proportional to 421,879,877,680.77, 582,244,142,046.58 and 250,602,485,867.37

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Solution

The fourth proportional to 421,879,877,680.77, 582,244,142,046.58 and 250,602,485,867.37 is: 345,861,078,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,879,877,680.77 : 582,244,142,046.58 = 250,602,485,867.37 : x
  2. Step 2: Convert to fraction form
    421,879,877,680.77/582,244,142,046.58 = 250,602,485,867.37/x
  3. Step 3: Cross multiply
    421,879,877,680.77x = 582,244,142,046.58 × 250,602,485,867.37
  4. Step 4: Simplify right side
    421,879,877,680.77x = 145,911,829,378,587,017,871,360
  5. Step 5: Solve for x
    x = 145,911,829,378,587,017,871,360/421,879,877,680.77
  6. Step 6: Final answer
    x = 345,861,078,230.89

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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.