Home / 664,009,809.45-996,014,714.18-203,947,240.65

Finding the Fourth Proportional to 664,009,809.45, 996,014,714.18 and 203,947,240.65

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Solution

The fourth proportional to 664,009,809.45, 996,014,714.18 and 203,947,240.65 is: 305,920,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,009,809.45 : 996,014,714.18 = 203,947,240.65 : x
  2. Step 2: Convert to fraction form
    664,009,809.45/996,014,714.18 = 203,947,240.65/x
  3. Step 3: Cross multiply
    664,009,809.45x = 996,014,714.18 × 203,947,240.65
  4. Step 4: Simplify right side
    664,009,809.45x = 203,134,452,602,789,696
  5. Step 5: Solve for x
    x = 203,134,452,602,789,696/664,009,809.45
  6. Step 6: Final answer
    x = 305,920,860.98

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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.