Home / 344,738,336.70-517,107,505.05-312,993,594.30

Finding the Fourth Proportional to 344,738,336.70, 517,107,505.05 and 312,993,594.30

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Solution

The fourth proportional to 344,738,336.70, 517,107,505.05 and 312,993,594.30 is: 469,490,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,738,336.70 : 517,107,505.05 = 312,993,594.30 : x
  2. Step 2: Convert to fraction form
    344,738,336.70/517,107,505.05 = 312,993,594.30/x
  3. Step 3: Cross multiply
    344,738,336.70x = 517,107,505.05 × 312,993,594.30
  4. Step 4: Simplify right side
    344,738,336.70x = 161,851,336,645,104,896
  5. Step 5: Solve for x
    x = 161,851,336,645,104,896/344,738,336.70
  6. Step 6: Final answer
    x = 469,490,391.45

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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.