Home / 457,364,705.88-631,161,919.86-248,521,485.72

Finding the Fourth Proportional to 457,364,705.88, 631,161,919.86 and 248,521,485.72

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Solution

The fourth proportional to 457,364,705.88, 631,161,919.86 and 248,521,485.72 is: 342,958,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,364,705.88 : 631,161,919.86 = 248,521,485.72 : x
  2. Step 2: Convert to fraction form
    457,364,705.88/631,161,919.86 = 248,521,485.72/x
  3. Step 3: Cross multiply
    457,364,705.88x = 631,161,919.86 × 248,521,485.72
  4. Step 4: Simplify right side
    457,364,705.88x = 156,857,298,053,494,784
  5. Step 5: Solve for x
    x = 156,857,298,053,494,784/457,364,705.88
  6. Step 6: Final answer
    x = 342,958,903.56

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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.