Home / 1,056,115,340.80-1,584,173,011.20-965,341,427.20

Finding the Fourth Proportional to 1,056,115,340.80, 1,584,173,011.20 and 965,341,427.20

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Solution

The fourth proportional to 1,056,115,340.80, 1,584,173,011.20 and 965,341,427.20 is: 1,448,012,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,115,340.80 : 1,584,173,011.20 = 965,341,427.20 : x
  2. Step 2: Convert to fraction form
    1,056,115,340.80/1,584,173,011.20 = 965,341,427.20/x
  3. Step 3: Cross multiply
    1,056,115,340.80x = 1,584,173,011.20 × 965,341,427.20
  4. Step 4: Simplify right side
    1,056,115,340.80x = 1,529,267,835,563,529,728
  5. Step 5: Solve for x
    x = 1,529,267,835,563,529,728/1,056,115,340.80
  6. Step 6: Final answer
    x = 1,448,012,140.80

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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.