Home / 663,746,340.80-995,320,912.80-254,666,532.80

Finding the Fourth Proportional to 663,746,340.80, 995,320,912.80 and 254,666,532.80

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Solution

The fourth proportional to 663,746,340.80, 995,320,912.80 and 254,666,532.80 is: 381,885,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,746,340.80 : 995,320,912.80 = 254,666,532.80 : x
  2. Step 2: Convert to fraction form
    663,746,340.80/995,320,912.80 = 254,666,532.80/x
  3. Step 3: Cross multiply
    663,746,340.80x = 995,320,912.80 × 254,666,532.80
  4. Step 4: Simplify right side
    663,746,340.80x = 253,474,925,886,107,136
  5. Step 5: Solve for x
    x = 253,474,925,886,107,136/663,746,340.80
  6. Step 6: Final answer
    x = 381,885,232.81

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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.