Home / 319,240,300.84-440,551,420.32-172,562,584.84

Finding the Fourth Proportional to 319,240,300.84, 440,551,420.32 and 172,562,584.84

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Solution

The fourth proportional to 319,240,300.84, 440,551,420.32 and 172,562,584.84 is: 238,136,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,240,300.84 : 440,551,420.32 = 172,562,584.84 : x
  2. Step 2: Convert to fraction form
    319,240,300.84/440,551,420.32 = 172,562,584.84/x
  3. Step 3: Cross multiply
    319,240,300.84x = 440,551,420.32 × 172,562,584.84
  4. Step 4: Simplify right side
    319,240,300.84x = 76,022,691,845,352,496
  5. Step 5: Solve for x
    x = 76,022,691,845,352,496/319,240,300.84
  6. Step 6: Final answer
    x = 238,136,261.76

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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.