Home / 1,679,746,443.20-2,519,619,664.80-1,332,821,758.40

Finding the Fourth Proportional to 1,679,746,443.20, 2,519,619,664.80 and 1,332,821,758.40

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Solution

The fourth proportional to 1,679,746,443.20, 2,519,619,664.80 and 1,332,821,758.40 is: 1,999,232,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,746,443.20 : 2,519,619,664.80 = 1,332,821,758.40 : x
  2. Step 2: Convert to fraction form
    1,679,746,443.20/2,519,619,664.80 = 1,332,821,758.40/x
  3. Step 3: Cross multiply
    1,679,746,443.20x = 2,519,619,664.80 × 1,332,821,758.40
  4. Step 4: Simplify right side
    1,679,746,443.20x = 3,358,203,912,137,955,328
  5. Step 5: Solve for x
    x = 3,358,203,912,137,955,328/1,679,746,443.20
  6. Step 6: Final answer
    x = 1,999,232,637.60

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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.