Home / 392,473,669.60-588,710,504.40-119,843,999.20

Finding the Fourth Proportional to 392,473,669.60, 588,710,504.40 and 119,843,999.20

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Solution

The fourth proportional to 392,473,669.60, 588,710,504.40 and 119,843,999.20 is: 179,765,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,473,669.60 : 588,710,504.40 = 119,843,999.20 : x
  2. Step 2: Convert to fraction form
    392,473,669.60/588,710,504.40 = 119,843,999.20/x
  3. Step 3: Cross multiply
    392,473,669.60x = 588,710,504.40 × 119,843,999.20
  4. Step 4: Simplify right side
    392,473,669.60x = 70,553,421,218,345,192
  5. Step 5: Solve for x
    x = 70,553,421,218,345,192/392,473,669.60
  6. Step 6: Final answer
    x = 179,765,998.80

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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.