Home / 531,780,910.96-733,980,101.14-311,835,195.76

Finding the Fourth Proportional to 531,780,910.96, 733,980,101.14 and 311,835,195.76

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Solution

The fourth proportional to 531,780,910.96, 733,980,101.14 and 311,835,195.76 is: 430,404,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,780,910.96 : 733,980,101.14 = 311,835,195.76 : x
  2. Step 2: Convert to fraction form
    531,780,910.96/733,980,101.14 = 311,835,195.76/x
  3. Step 3: Cross multiply
    531,780,910.96x = 733,980,101.14 × 311,835,195.76
  4. Step 4: Simplify right side
    531,780,910.96x = 228,880,828,522,936,480
  5. Step 5: Solve for x
    x = 228,880,828,522,936,480/531,780,910.96
  6. Step 6: Final answer
    x = 430,404,371.06

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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.