Home / 1,392,241,788,127.80-2,088,362,190,664.90-372,332,814,625.28

Finding the Fourth Proportional to 1,392,241,788,127.80, 2,088,362,190,664.90 and 372,332,814,625.28

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Solution

The fourth proportional to 1,392,241,788,127.80, 2,088,362,190,664.90 and 372,332,814,625.28 is: 558,499,090,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,241,788,127.80 : 2,088,362,190,664.90 = 372,332,814,625.28 : x
  2. Step 2: Convert to fraction form
    1,392,241,788,127.80/2,088,362,190,664.90 = 372,332,814,625.28/x
  3. Step 3: Cross multiply
    1,392,241,788,127.80x = 2,088,362,190,664.90 × 372,332,814,625.28
  4. Step 4: Simplify right side
    1,392,241,788,127.80x = 777,565,772,407,277,891,878,912
  5. Step 5: Solve for x
    x = 777,565,772,407,277,891,878,912/1,392,241,788,127.80
  6. Step 6: Final answer
    x = 558,499,090,486.93

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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.