Home / 896,861,750.20-1,345,292,625.30-664,409,456.80

Finding the Fourth Proportional to 896,861,750.20, 1,345,292,625.30 and 664,409,456.80

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Solution

The fourth proportional to 896,861,750.20, 1,345,292,625.30 and 664,409,456.80 is: 996,614,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,861,750.20 : 1,345,292,625.30 = 664,409,456.80 : x
  2. Step 2: Convert to fraction form
    896,861,750.20/1,345,292,625.30 = 664,409,456.80/x
  3. Step 3: Cross multiply
    896,861,750.20x = 1,345,292,625.30 × 664,409,456.80
  4. Step 4: Simplify right side
    896,861,750.20x = 893,825,142,412,618,880
  5. Step 5: Solve for x
    x = 893,825,142,412,618,880/896,861,750.20
  6. Step 6: Final answer
    x = 996,614,185.20

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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.