Home / 1,863,377,377.10-2,792,692,295.85-990,396,961.10

Finding the Fourth Proportional to 1,863,377,377.10, 2,792,692,295.85 and 990,396,961.10

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Solution

The fourth proportional to 1,863,377,377.10, 2,792,692,295.85 and 990,396,961.10 is: 1,484,333,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,377,377.10 : 2,792,692,295.85 = 990,396,961.10 : x
  2. Step 2: Convert to fraction form
    1,863,377,377.10/2,792,692,295.85 = 990,396,961.10/x
  3. Step 3: Cross multiply
    1,863,377,377.10x = 2,792,692,295.85 × 990,396,961.10
  4. Step 4: Simplify right side
    1,863,377,377.10x = 2,765,873,963,097,222,144
  5. Step 5: Solve for x
    x = 2,765,873,963,097,222,144/1,863,377,377.10
  6. Step 6: Final answer
    x = 1,484,333,767.86

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Double scale
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1.5x scale

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.