Home / 358,432,875.84-537,469,104.96-208,915,471.56

Finding the Fourth Proportional to 358,432,875.84, 537,469,104.96 and 208,915,471.56

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Solution

The fourth proportional to 358,432,875.84, 537,469,104.96 and 208,915,471.56 is: 313,268,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,432,875.84 : 537,469,104.96 = 208,915,471.56 : x
  2. Step 2: Convert to fraction form
    358,432,875.84/537,469,104.96 = 208,915,471.56/x
  3. Step 3: Cross multiply
    358,432,875.84x = 537,469,104.96 × 208,915,471.56
  4. Step 4: Simplify right side
    358,432,875.84x = 112,285,611,511,649,552
  5. Step 5: Solve for x
    x = 112,285,611,511,649,552/358,432,875.84
  6. Step 6: Final answer
    x = 313,268,171.20

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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.