Home / 415,815,852.57-624,336,920.71-231,942,580.98

Finding the Fourth Proportional to 415,815,852.57, 624,336,920.71 and 231,942,580.98

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Solution

The fourth proportional to 415,815,852.57, 624,336,920.71 and 231,942,580.98 is: 348,255,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,815,852.57 : 624,336,920.71 = 231,942,580.98 : x
  2. Step 2: Convert to fraction form
    415,815,852.57/624,336,920.71 = 231,942,580.98/x
  3. Step 3: Cross multiply
    415,815,852.57x = 624,336,920.71 × 231,942,580.98
  4. Step 4: Simplify right side
    415,815,852.57x = 144,810,316,790,583,008
  5. Step 5: Solve for x
    x = 144,810,316,790,583,008/415,815,852.57
  6. Step 6: Final answer
    x = 348,255,882.73

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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.