Home / 548,739,421.69-822,977,339.11-253,350,731.57

Finding the Fourth Proportional to 548,739,421.69, 822,977,339.11 and 253,350,731.57

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Solution

The fourth proportional to 548,739,421.69, 822,977,339.11 and 253,350,731.57 is: 379,965,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,739,421.69 : 822,977,339.11 = 253,350,731.57 : x
  2. Step 2: Convert to fraction form
    548,739,421.69/822,977,339.11 = 253,350,731.57/x
  3. Step 3: Cross multiply
    548,739,421.69x = 822,977,339.11 × 253,350,731.57
  4. Step 4: Simplify right side
    548,739,421.69x = 208,501,910,929,050,464
  5. Step 5: Solve for x
    x = 208,501,910,929,050,464/548,739,421.69
  6. Step 6: Final answer
    x = 379,965,248.87

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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.