Home / 16,128,765,305.60-24,193,147,958.40-12,863,591,801.60

Finding the Fourth Proportional to 16,128,765,305.60, 24,193,147,958.40 and 12,863,591,801.60

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Solution

The fourth proportional to 16,128,765,305.60, 24,193,147,958.40 and 12,863,591,801.60 is: 19,295,387,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,765,305.60 : 24,193,147,958.40 = 12,863,591,801.60 : x
  2. Step 2: Convert to fraction form
    16,128,765,305.60/24,193,147,958.40 = 12,863,591,801.60/x
  3. Step 3: Cross multiply
    16,128,765,305.60x = 24,193,147,958.40 × 12,863,591,801.60
  4. Step 4: Simplify right side
    16,128,765,305.60x = 311,210,779,732,570,079,232
  5. Step 5: Solve for x
    x = 311,210,779,732,570,079,232/16,128,765,305.60
  6. Step 6: Final answer
    x = 19,295,387,702.40

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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.