Home / 21,482,568,009.60-32,223,852,014.40-15,677,815,113.60

Finding the Fourth Proportional to 21,482,568,009.60, 32,223,852,014.40 and 15,677,815,113.60

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Solution

The fourth proportional to 21,482,568,009.60, 32,223,852,014.40 and 15,677,815,113.60 is: 23,516,722,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,568,009.60 : 32,223,852,014.40 = 15,677,815,113.60 : x
  2. Step 2: Convert to fraction form
    21,482,568,009.60/32,223,852,014.40 = 15,677,815,113.60/x
  3. Step 3: Cross multiply
    21,482,568,009.60x = 32,223,852,014.40 × 15,677,815,113.60
  4. Step 4: Simplify right side
    21,482,568,009.60x = 505,199,594,129,770,151,936
  5. Step 5: Solve for x
    x = 505,199,594,129,770,151,936/21,482,568,009.60
  6. Step 6: Final answer
    x = 23,516,722,670.40

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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.