Home / 372,312,195.74-513,774,249.72-213,428,415.44

Finding the Fourth Proportional to 372,312,195.74, 513,774,249.72 and 213,428,415.44

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Solution

The fourth proportional to 372,312,195.74, 513,774,249.72 and 213,428,415.44 is: 294,521,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,312,195.74 : 513,774,249.72 = 213,428,415.44 : x
  2. Step 2: Convert to fraction form
    372,312,195.74/513,774,249.72 = 213,428,415.44/x
  3. Step 3: Cross multiply
    372,312,195.74x = 513,774,249.72 × 213,428,415.44
  4. Step 4: Simplify right side
    372,312,195.74x = 109,654,024,011,614,464
  5. Step 5: Solve for x
    x = 109,654,024,011,614,464/372,312,195.74
  6. Step 6: Final answer
    x = 294,521,708.57

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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.