Home / 612,326,841.44-918,493,915.79-152,265,010.82

Finding the Fourth Proportional to 612,326,841.44, 918,493,915.79 and 152,265,010.82

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Solution

The fourth proportional to 612,326,841.44, 918,493,915.79 and 152,265,010.82 is: 228,398,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,326,841.44 : 918,493,915.79 = 152,265,010.82 : x
  2. Step 2: Convert to fraction form
    612,326,841.44/918,493,915.79 = 152,265,010.82/x
  3. Step 3: Cross multiply
    612,326,841.44x = 918,493,915.79 × 152,265,010.82
  4. Step 4: Simplify right side
    612,326,841.44x = 139,854,486,021,656,720
  5. Step 5: Solve for x
    x = 139,854,486,021,656,720/612,326,841.44
  6. Step 6: Final answer
    x = 228,398,424.76

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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.