Home / 372,515,223.60-514,082,655.97-213,774,387.39

Finding the Fourth Proportional to 372,515,223.60, 514,082,655.97 and 213,774,387.39

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Solution

The fourth proportional to 372,515,223.60, 514,082,655.97 and 213,774,387.39 is: 295,015,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,515,223.60 : 514,082,655.97 = 213,774,387.39 : x
  2. Step 2: Convert to fraction form
    372,515,223.60/514,082,655.97 = 213,774,387.39/x
  3. Step 3: Cross multiply
    372,515,223.60x = 514,082,655.97 × 213,774,387.39
  4. Step 4: Simplify right side
    372,515,223.60x = 109,897,704,845,240,464
  5. Step 5: Solve for x
    x = 109,897,704,845,240,464/372,515,223.60
  6. Step 6: Final answer
    x = 295,015,338.66

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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.