Home / 839,812,210.20-1,259,718,315.30-826,207,320.60

Finding the Fourth Proportional to 839,812,210.20, 1,259,718,315.30 and 826,207,320.60

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Solution

The fourth proportional to 839,812,210.20, 1,259,718,315.30 and 826,207,320.60 is: 1,239,310,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,812,210.20 : 1,259,718,315.30 = 826,207,320.60 : x
  2. Step 2: Convert to fraction form
    839,812,210.20/1,259,718,315.30 = 826,207,320.60/x
  3. Step 3: Cross multiply
    839,812,210.20x = 1,259,718,315.30 × 826,207,320.60
  4. Step 4: Simplify right side
    839,812,210.20x = 1,040,788,493,994,758,912
  5. Step 5: Solve for x
    x = 1,040,788,493,994,758,912/839,812,210.20
  6. Step 6: Final answer
    x = 1,239,310,980.90

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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.