Home / 19,640,455,652.40-29,460,683,478.60-13,441,727,828.40

Finding the Fourth Proportional to 19,640,455,652.40, 29,460,683,478.60 and 13,441,727,828.40

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Solution

The fourth proportional to 19,640,455,652.40, 29,460,683,478.60 and 13,441,727,828.40 is: 20,162,591,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640,455,652.40 : 29,460,683,478.60 = 13,441,727,828.40 : x
  2. Step 2: Convert to fraction form
    19,640,455,652.40/29,460,683,478.60 = 13,441,727,828.40/x
  3. Step 3: Cross multiply
    19,640,455,652.40x = 29,460,683,478.60 × 13,441,727,828.40
  4. Step 4: Simplify right side
    19,640,455,652.40x = 396,002,488,957,981,687,808
  5. Step 5: Solve for x
    x = 396,002,488,957,981,687,808/19,640,455,652.40
  6. Step 6: Final answer
    x = 20,162,591,742.60

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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.