Home / 1,644,145,669.80-2,466,218,504.70-417,314,121.30

Finding the Fourth Proportional to 1,644,145,669.80, 2,466,218,504.70 and 417,314,121.30

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Solution

The fourth proportional to 1,644,145,669.80, 2,466,218,504.70 and 417,314,121.30 is: 625,971,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,145,669.80 : 2,466,218,504.70 = 417,314,121.30 : x
  2. Step 2: Convert to fraction form
    1,644,145,669.80/2,466,218,504.70 = 417,314,121.30/x
  3. Step 3: Cross multiply
    1,644,145,669.80x = 2,466,218,504.70 × 417,314,121.30
  4. Step 4: Simplify right side
    1,644,145,669.80x = 1,029,187,808,222,680,320
  5. Step 5: Solve for x
    x = 1,029,187,808,222,680,320/1,644,145,669.80
  6. Step 6: Final answer
    x = 625,971,181.95

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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.