Home / 1,392,241,788,130.80-2,088,362,190,669.40-372,332,814,628.28

Finding the Fourth Proportional to 1,392,241,788,130.80, 2,088,362,190,669.40 and 372,332,814,628.28

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Solution

The fourth proportional to 1,392,241,788,130.80, 2,088,362,190,669.40 and 372,332,814,628.28 is: 558,499,090,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,241,788,130.80 : 2,088,362,190,669.40 = 372,332,814,628.28 : x
  2. Step 2: Convert to fraction form
    1,392,241,788,130.80/2,088,362,190,669.40 = 372,332,814,628.28/x
  3. Step 3: Cross multiply
    1,392,241,788,130.80x = 2,088,362,190,669.40 × 372,332,814,628.28
  4. Step 4: Simplify right side
    1,392,241,788,130.80x = 777,565,772,415,218,481,102,848
  5. Step 5: Solve for x
    x = 777,565,772,415,218,481,102,848/1,392,241,788,130.80
  6. Step 6: Final answer
    x = 558,499,090,491.43

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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.