Home / 1,624,844,736.87-2,435,566,033.17-679,984,176.57

Finding the Fourth Proportional to 1,624,844,736.87, 2,435,566,033.17 and 679,984,176.57

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Solution

The fourth proportional to 1,624,844,736.87, 2,435,566,033.17 and 679,984,176.57 is: 1,019,264,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,844,736.87 : 2,435,566,033.17 = 679,984,176.57 : x
  2. Step 2: Convert to fraction form
    1,624,844,736.87/2,435,566,033.17 = 679,984,176.57/x
  3. Step 3: Cross multiply
    1,624,844,736.87x = 2,435,566,033.17 × 679,984,176.57
  4. Step 4: Simplify right side
    1,624,844,736.87x = 1,656,146,363,546,963,968
  5. Step 5: Solve for x
    x = 1,656,146,363,546,963,968/1,624,844,736.87
  6. Step 6: Final answer
    x = 1,019,264,380.14

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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.