Home / 421,879,877,679.27-582,244,142,044.52-250,602,485,865.87

Finding the Fourth Proportional to 421,879,877,679.27, 582,244,142,044.52 and 250,602,485,865.87

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Solution

The fourth proportional to 421,879,877,679.27, 582,244,142,044.52 and 250,602,485,865.87 is: 345,861,078,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,879,877,679.27 : 582,244,142,044.52 = 250,602,485,865.87 : x
  2. Step 2: Convert to fraction form
    421,879,877,679.27/582,244,142,044.52 = 250,602,485,865.87/x
  3. Step 3: Cross multiply
    421,879,877,679.27x = 582,244,142,044.52 × 250,602,485,865.87
  4. Step 4: Simplify right side
    421,879,877,679.27x = 145,911,829,377,197,428,178,944
  5. Step 5: Solve for x
    x = 145,911,829,377,197,428,178,944/421,879,877,679.27
  6. Step 6: Final answer
    x = 345,861,078,228.83

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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.