Home / 452,289,517.54-678,241,462.86-172,122,624.34

Finding the Fourth Proportional to 452,289,517.54, 678,241,462.86 and 172,122,624.34

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Solution

The fourth proportional to 452,289,517.54, 678,241,462.86 and 172,122,624.34 is: 258,110,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,289,517.54 : 678,241,462.86 = 172,122,624.34 : x
  2. Step 2: Convert to fraction form
    452,289,517.54/678,241,462.86 = 172,122,624.34/x
  3. Step 3: Cross multiply
    452,289,517.54x = 678,241,462.86 × 172,122,624.34
  4. Step 4: Simplify right side
    452,289,517.54x = 116,740,700,521,968,240
  5. Step 5: Solve for x
    x = 116,740,700,521,968,240/452,289,517.54
  6. Step 6: Final answer
    x = 258,110,559.71

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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.