Home / 12,877,056,523.60-19,315,584,785.40-6,999,744,216.40

Finding the Fourth Proportional to 12,877,056,523.60, 19,315,584,785.40 and 6,999,744,216.40

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Solution

The fourth proportional to 12,877,056,523.60, 19,315,584,785.40 and 6,999,744,216.40 is: 10,499,616,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,056,523.60 : 19,315,584,785.40 = 6,999,744,216.40 : x
  2. Step 2: Convert to fraction form
    12,877,056,523.60/19,315,584,785.40 = 6,999,744,216.40/x
  3. Step 3: Cross multiply
    12,877,056,523.60x = 19,315,584,785.40 × 6,999,744,216.40
  4. Step 4: Simplify right side
    12,877,056,523.60x = 135,204,152,887,987,486,720
  5. Step 5: Solve for x
    x = 135,204,152,887,987,486,720/12,877,056,523.60
  6. Step 6: Final answer
    x = 10,499,616,324.60

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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.