Home / 845,467,781,867.52-1,166,745,729,427.20-465,279,141,995.52

Finding the Fourth Proportional to 845,467,781,867.52, 1,166,745,729,427.20 and 465,279,141,995.52

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Solution

The fourth proportional to 845,467,781,867.52, 1,166,745,729,427.20 and 465,279,141,995.52 is: 642,085,320,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,467,781,867.52 : 1,166,745,729,427.20 = 465,279,141,995.52 : x
  2. Step 2: Convert to fraction form
    845,467,781,867.52/1,166,745,729,427.20 = 465,279,141,995.52/x
  3. Step 3: Cross multiply
    845,467,781,867.52x = 1,166,745,729,427.20 × 465,279,141,995.52
  4. Step 4: Simplify right side
    845,467,781,867.52x = 542,862,451,914,824,759,640,064
  5. Step 5: Solve for x
    x = 542,862,451,914,824,759,640,064/845,467,781,867.52
  6. Step 6: Final answer
    x = 642,085,320,762.57

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Double scale
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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.