Home / 388,060,981.60-582,091,472.40-183,987,637.60

Finding the Fourth Proportional to 388,060,981.60, 582,091,472.40 and 183,987,637.60

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Solution

The fourth proportional to 388,060,981.60, 582,091,472.40 and 183,987,637.60 is: 275,981,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,060,981.60 : 582,091,472.40 = 183,987,637.60 : x
  2. Step 2: Convert to fraction form
    388,060,981.60/582,091,472.40 = 183,987,637.60/x
  3. Step 3: Cross multiply
    388,060,981.60x = 582,091,472.40 × 183,987,637.60
  4. Step 4: Simplify right side
    388,060,981.60x = 107,097,634,873,981,600
  5. Step 5: Solve for x
    x = 107,097,634,873,981,600/388,060,981.60
  6. Step 6: Final answer
    x = 275,981,456.40

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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.