Home / 898,670,049,043.52-1,348,468,525,654.10-421,187,856,077.12

Finding the Fourth Proportional to 898,670,049,043.52, 1,348,468,525,654.10 and 421,187,856,077.12

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Solution

The fourth proportional to 898,670,049,043.52, 1,348,468,525,654.10 and 421,187,856,077.12 is: 631,998,994,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,670,049,043.52 : 1,348,468,525,654.10 = 421,187,856,077.12 : x
  2. Step 2: Convert to fraction form
    898,670,049,043.52/1,348,468,525,654.10 = 421,187,856,077.12/x
  3. Step 3: Cross multiply
    898,670,049,043.52x = 1,348,468,525,654.10 × 421,187,856,077.12
  4. Step 4: Simplify right side
    898,670,049,043.52x = 567,958,567,307,725,275,922,432
  5. Step 5: Solve for x
    x = 567,958,567,307,725,275,922,432/898,670,049,043.52
  6. Step 6: Final answer
    x = 631,998,994,416.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.