Home / 1,056,115,324.80-1,584,172,987.20-965,341,411.20

Finding the Fourth Proportional to 1,056,115,324.80, 1,584,172,987.20 and 965,341,411.20

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Solution

The fourth proportional to 1,056,115,324.80, 1,584,172,987.20 and 965,341,411.20 is: 1,448,012,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,115,324.80 : 1,584,172,987.20 = 965,341,411.20 : x
  2. Step 2: Convert to fraction form
    1,056,115,324.80/1,584,172,987.20 = 965,341,411.20/x
  3. Step 3: Cross multiply
    1,056,115,324.80x = 1,584,172,987.20 × 965,341,411.20
  4. Step 4: Simplify right side
    1,056,115,324.80x = 1,529,267,787,048,567,552
  5. Step 5: Solve for x
    x = 1,529,267,787,048,567,552/1,056,115,324.80
  6. Step 6: Final answer
    x = 1,448,012,116.80

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Double scale
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Similar ratio
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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.