Home / 531,781,049.72-733,980,292.62-311,835,334.52

Finding the Fourth Proportional to 531,781,049.72, 733,980,292.62 and 311,835,334.52

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Solution

The fourth proportional to 531,781,049.72, 733,980,292.62 and 311,835,334.52 is: 430,404,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,781,049.72 : 733,980,292.62 = 311,835,334.52 : x
  2. Step 2: Convert to fraction form
    531,781,049.72/733,980,292.62 = 311,835,334.52/x
  3. Step 3: Cross multiply
    531,781,049.72x = 733,980,292.62 × 311,835,334.52
  4. Step 4: Simplify right side
    531,781,049.72x = 228,880,990,080,245,184
  5. Step 5: Solve for x
    x = 228,880,990,080,245,184/531,781,049.72
  6. Step 6: Final answer
    x = 430,404,562.56

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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.