Home / 421,879,877,634.76-582,244,141,982.95-250,602,485,821.36

Finding the Fourth Proportional to 421,879,877,634.76, 582,244,141,982.95 and 250,602,485,821.36

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Solution

The fourth proportional to 421,879,877,634.76, 582,244,141,982.95 and 250,602,485,821.36 is: 345,861,078,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,879,877,634.76 : 582,244,141,982.95 = 250,602,485,821.36 : x
  2. Step 2: Convert to fraction form
    421,879,877,634.76/582,244,141,982.95 = 250,602,485,821.36/x
  3. Step 3: Cross multiply
    421,879,877,634.76x = 582,244,141,982.95 × 250,602,485,821.36
  4. Step 4: Simplify right side
    421,879,877,634.76x = 145,911,829,335,852,126,830,592
  5. Step 5: Solve for x
    x = 145,911,829,335,852,126,830,592/421,879,877,634.76
  6. Step 6: Final answer
    x = 345,861,078,167.31

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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.