Home / 386,880,014.10-580,320,021.15-264,436,007.70

Finding the Fourth Proportional to 386,880,014.10, 580,320,021.15 and 264,436,007.70

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Solution

The fourth proportional to 386,880,014.10, 580,320,021.15 and 264,436,007.70 is: 396,654,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,880,014.10 : 580,320,021.15 = 264,436,007.70 : x
  2. Step 2: Convert to fraction form
    386,880,014.10/580,320,021.15 = 264,436,007.70/x
  3. Step 3: Cross multiply
    386,880,014.10x = 580,320,021.15 × 264,436,007.70
  4. Step 4: Simplify right side
    386,880,014.10x = 153,457,509,581,285,536
  5. Step 5: Solve for x
    x = 153,457,509,581,285,536/386,880,014.10
  6. Step 6: Final answer
    x = 396,654,011.55

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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.