Home / 369,866,540.88-510,222,313.37-228,692,633.40

Finding the Fourth Proportional to 369,866,540.88, 510,222,313.37 and 228,692,633.40

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Solution

The fourth proportional to 369,866,540.88, 510,222,313.37 and 228,692,633.40 is: 315,476,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,866,540.88 : 510,222,313.37 = 228,692,633.40 : x
  2. Step 2: Convert to fraction form
    369,866,540.88/510,222,313.37 = 228,692,633.40/x
  3. Step 3: Cross multiply
    369,866,540.88x = 510,222,313.37 × 228,692,633.40
  4. Step 4: Simplify right side
    369,866,540.88x = 116,684,084,464,025,328
  5. Step 5: Solve for x
    x = 116,684,084,464,025,328/369,866,540.88
  6. Step 6: Final answer
    x = 315,476,182.80

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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.