Home / 382,040,400.80-573,060,601.20-265,139,127.20

Finding the Fourth Proportional to 382,040,400.80, 573,060,601.20 and 265,139,127.20

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Solution

The fourth proportional to 382,040,400.80, 573,060,601.20 and 265,139,127.20 is: 397,708,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,040,400.80 : 573,060,601.20 = 265,139,127.20 : x
  2. Step 2: Convert to fraction form
    382,040,400.80/573,060,601.20 = 265,139,127.20/x
  3. Step 3: Cross multiply
    382,040,400.80x = 573,060,601.20 × 265,139,127.20
  4. Step 4: Simplify right side
    382,040,400.80x = 151,940,787,634,875,264
  5. Step 5: Solve for x
    x = 151,940,787,634,875,264/382,040,400.80
  6. Step 6: Final answer
    x = 397,708,690.80

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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.