Home / 641,860,777.92-962,929,288.08-199,194,715.20

Finding the Fourth Proportional to 641,860,777.92, 962,929,288.08 and 199,194,715.20

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Solution

The fourth proportional to 641,860,777.92, 962,929,288.08 and 199,194,715.20 is: 298,834,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,860,777.92 : 962,929,288.08 = 199,194,715.20 : x
  2. Step 2: Convert to fraction form
    641,860,777.92/962,929,288.08 = 199,194,715.20/x
  3. Step 3: Cross multiply
    641,860,777.92x = 962,929,288.08 × 199,194,715.20
  4. Step 4: Simplify right side
    641,860,777.92x = 191,810,425,296,834,336
  5. Step 5: Solve for x
    x = 191,810,425,296,834,336/641,860,777.92
  6. Step 6: Final answer
    x = 298,834,937.26

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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.