Home / 469,688,595.72-648,185,089.31-281,454,850.73

Finding the Fourth Proportional to 469,688,595.72, 648,185,089.31 and 281,454,850.73

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Solution

The fourth proportional to 469,688,595.72, 648,185,089.31 and 281,454,850.73 is: 388,416,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,688,595.72 : 648,185,089.31 = 281,454,850.73 : x
  2. Step 2: Convert to fraction form
    469,688,595.72/648,185,089.31 = 281,454,850.73/x
  3. Step 3: Cross multiply
    469,688,595.72x = 648,185,089.31 × 281,454,850.73
  4. Step 4: Simplify right side
    469,688,595.72x = 182,434,837,552,509,568
  5. Step 5: Solve for x
    x = 182,434,837,552,509,568/469,688,595.72
  6. Step 6: Final answer
    x = 388,416,579.02

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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.