Home / 457,364,684.76-631,161,890.82-248,521,464.60

Finding the Fourth Proportional to 457,364,684.76, 631,161,890.82 and 248,521,464.60

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Solution

The fourth proportional to 457,364,684.76, 631,161,890.82 and 248,521,464.60 is: 342,958,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,364,684.76 : 631,161,890.82 = 248,521,464.60 : x
  2. Step 2: Convert to fraction form
    457,364,684.76/631,161,890.82 = 248,521,464.60/x
  3. Step 3: Cross multiply
    457,364,684.76x = 631,161,890.82 × 248,521,464.60
  4. Step 4: Simplify right side
    457,364,684.76x = 156,857,277,506,291,712
  5. Step 5: Solve for x
    x = 156,857,277,506,291,712/457,364,684.76
  6. Step 6: Final answer
    x = 342,958,874.47

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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.