Home / 784,045,286.74-1,176,100,384.61-231,347,715.36

Finding the Fourth Proportional to 784,045,286.74, 1,176,100,384.61 and 231,347,715.36

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Solution

The fourth proportional to 784,045,286.74, 1,176,100,384.61 and 231,347,715.36 is: 347,031,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,045,286.74 : 1,176,100,384.61 = 231,347,715.36 : x
  2. Step 2: Convert to fraction form
    784,045,286.74/1,176,100,384.61 = 231,347,715.36/x
  3. Step 3: Cross multiply
    784,045,286.74x = 1,176,100,384.61 × 231,347,715.36
  4. Step 4: Simplify right side
    784,045,286.74x = 272,088,137,012,365,856
  5. Step 5: Solve for x
    x = 272,088,137,012,365,856/784,045,286.74
  6. Step 6: Final answer
    x = 347,031,149.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.