Home / 316,699,840.80-475,049,761.20-265,681,504.80

Finding the Fourth Proportional to 316,699,840.80, 475,049,761.20 and 265,681,504.80

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Solution

The fourth proportional to 316,699,840.80, 475,049,761.20 and 265,681,504.80 is: 398,522,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,699,840.80 : 475,049,761.20 = 265,681,504.80 : x
  2. Step 2: Convert to fraction form
    316,699,840.80/475,049,761.20 = 265,681,504.80/x
  3. Step 3: Cross multiply
    316,699,840.80x = 475,049,761.20 × 265,681,504.80
  4. Step 4: Simplify right side
    316,699,840.80x = 126,211,935,410,496,656
  5. Step 5: Solve for x
    x = 126,211,935,410,496,656/316,699,840.80
  6. Step 6: Final answer
    x = 398,522,257.20

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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.