Home / 1,940,120,512.80-2,910,180,769.20-559,980,045.60

Finding the Fourth Proportional to 1,940,120,512.80, 2,910,180,769.20 and 559,980,045.60

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Solution

The fourth proportional to 1,940,120,512.80, 2,910,180,769.20 and 559,980,045.60 is: 839,970,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,120,512.80 : 2,910,180,769.20 = 559,980,045.60 : x
  2. Step 2: Convert to fraction form
    1,940,120,512.80/2,910,180,769.20 = 559,980,045.60/x
  3. Step 3: Cross multiply
    1,940,120,512.80x = 2,910,180,769.20 × 559,980,045.60
  4. Step 4: Simplify right side
    1,940,120,512.80x = 1,629,643,159,840,859,136
  5. Step 5: Solve for x
    x = 1,629,643,159,840,859,136/1,940,120,512.80
  6. Step 6: Final answer
    x = 839,970,068.40

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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.