Home / 1,056,116,786.80-1,584,175,180.20-965,342,873.20

Finding the Fourth Proportional to 1,056,116,786.80, 1,584,175,180.20 and 965,342,873.20

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Solution

The fourth proportional to 1,056,116,786.80, 1,584,175,180.20 and 965,342,873.20 is: 1,448,014,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,116,786.80 : 1,584,175,180.20 = 965,342,873.20 : x
  2. Step 2: Convert to fraction form
    1,056,116,786.80/1,584,175,180.20 = 965,342,873.20/x
  3. Step 3: Cross multiply
    1,056,116,786.80x = 1,584,175,180.20 × 965,342,873.20
  4. Step 4: Simplify right side
    1,056,116,786.80x = 1,529,272,220,106,395,904
  5. Step 5: Solve for x
    x = 1,529,272,220,106,395,904/1,056,116,786.80
  6. Step 6: Final answer
    x = 1,448,014,309.80

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Double scale
Find fourth proportional to 1,056,116,787.80, 1,584,175,181.70 and 965,342,874.20
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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.