Home / 705,286,976.40-1,057,941,018.36-268,611,777.36

Finding the Fourth Proportional to 705,286,976.40, 1,057,941,018.36 and 268,611,777.36

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Solution

The fourth proportional to 705,286,976.40, 1,057,941,018.36 and 268,611,777.36 is: 402,921,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,286,976.40 : 1,057,941,018.36 = 268,611,777.36 : x
  2. Step 2: Convert to fraction form
    705,286,976.40/1,057,941,018.36 = 268,611,777.36/x
  3. Step 3: Cross multiply
    705,286,976.40x = 1,057,941,018.36 × 268,611,777.36
  4. Step 4: Simplify right side
    705,286,976.40x = 284,175,417,283,728,000
  5. Step 5: Solve for x
    x = 284,175,417,283,728,000/705,286,976.40
  6. Step 6: Final answer
    x = 402,921,685.49

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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.