Home / 2,812,653,053.94-4,218,568,900.02-820,159,694.58

Finding the Fourth Proportional to 2,812,653,053.94, 4,218,568,900.02 and 820,159,694.58

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Solution

The fourth proportional to 2,812,653,053.94, 4,218,568,900.02 and 820,159,694.58 is: 1,230,119,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,653,053.94 : 4,218,568,900.02 = 820,159,694.58 : x
  2. Step 2: Convert to fraction form
    2,812,653,053.94/4,218,568,900.02 = 820,159,694.58/x
  3. Step 3: Cross multiply
    2,812,653,053.94x = 4,218,568,900.02 × 820,159,694.58
  4. Step 4: Simplify right side
    2,812,653,053.94x = 3,459,900,180,605,089,792
  5. Step 5: Solve for x
    x = 3,459,900,180,605,089,792/2,812,653,053.94
  6. Step 6: Final answer
    x = 1,230,119,788.77

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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.