Home / 301,006,139.20-451,509,208.80-269,438,543.80

Finding the Fourth Proportional to 301,006,139.20, 451,509,208.80 and 269,438,543.80

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Solution

The fourth proportional to 301,006,139.20, 451,509,208.80 and 269,438,543.80 is: 404,157,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,006,139.20 : 451,509,208.80 = 269,438,543.80 : x
  2. Step 2: Convert to fraction form
    301,006,139.20/451,509,208.80 = 269,438,543.80/x
  3. Step 3: Cross multiply
    301,006,139.20x = 451,509,208.80 × 269,438,543.80
  4. Step 4: Simplify right side
    301,006,139.20x = 121,653,983,731,362,160
  5. Step 5: Solve for x
    x = 121,653,983,731,362,160/301,006,139.20
  6. Step 6: Final answer
    x = 404,157,815.70

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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.