Home / 351,311,055.38-484,650,280.76-212,037,296.66

Finding the Fourth Proportional to 351,311,055.38, 484,650,280.76 and 212,037,296.66

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Solution

The fourth proportional to 351,311,055.38, 484,650,280.76 and 212,037,296.66 is: 292,515,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,311,055.38 : 484,650,280.76 = 212,037,296.66 : x
  2. Step 2: Convert to fraction form
    351,311,055.38/484,650,280.76 = 212,037,296.66/x
  3. Step 3: Cross multiply
    351,311,055.38x = 484,650,280.76 × 212,037,296.66
  4. Step 4: Simplify right side
    351,311,055.38x = 102,763,935,357,860,400
  5. Step 5: Solve for x
    x = 102,763,935,357,860,400/351,311,055.38
  6. Step 6: Final answer
    x = 292,515,518.04

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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.