Home / 373,497,135.37-515,469,763.83-310,662,376.36

Finding the Fourth Proportional to 373,497,135.37, 515,469,763.83 and 310,662,376.36

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Solution

The fourth proportional to 373,497,135.37, 515,469,763.83 and 310,662,376.36 is: 428,750,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,497,135.37 : 515,469,763.83 = 310,662,376.36 : x
  2. Step 2: Convert to fraction form
    373,497,135.37/515,469,763.83 = 310,662,376.36/x
  3. Step 3: Cross multiply
    373,497,135.37x = 515,469,763.83 × 310,662,376.36
  4. Step 4: Simplify right side
    373,497,135.37x = 160,137,061,773,155,776
  5. Step 5: Solve for x
    x = 160,137,061,773,155,776/373,497,135.37
  6. Step 6: Final answer
    x = 428,750,441.73

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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.