Home / 373,224,833.46-515,050,491.78-208,212,402.96

Finding the Fourth Proportional to 373,224,833.46, 515,050,491.78 and 208,212,402.96

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Solution

The fourth proportional to 373,224,833.46, 515,050,491.78 and 208,212,402.96 is: 287,333,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,224,833.46 : 515,050,491.78 = 208,212,402.96 : x
  2. Step 2: Convert to fraction form
    373,224,833.46/515,050,491.78 = 208,212,402.96/x
  3. Step 3: Cross multiply
    373,224,833.46x = 515,050,491.78 × 208,212,402.96
  4. Step 4: Simplify right side
    373,224,833.46x = 107,239,900,539,243,520
  5. Step 5: Solve for x
    x = 107,239,900,539,243,520/373,224,833.46
  6. Step 6: Final answer
    x = 287,333,239.71

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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.