Home / 481,071,356.17-663,878,471.58-261,054,782.17

Finding the Fourth Proportional to 481,071,356.17, 663,878,471.58 and 261,054,782.17

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Solution

The fourth proportional to 481,071,356.17, 663,878,471.58 and 261,054,782.17 is: 360,255,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071,356.17 : 663,878,471.58 = 261,054,782.17 : x
  2. Step 2: Convert to fraction form
    481,071,356.17/663,878,471.58 = 261,054,782.17/x
  3. Step 3: Cross multiply
    481,071,356.17x = 663,878,471.58 × 261,054,782.17
  4. Step 4: Simplify right side
    481,071,356.17x = 173,308,649,784,792,064
  5. Step 5: Solve for x
    x = 173,308,649,784,792,064/481,071,356.17
  6. Step 6: Final answer
    x = 360,255,599.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.