Home / 12,872,582,646.40-19,308,873,969.60-4,600,809,769.60

Finding the Fourth Proportional to 12,872,582,646.40, 19,308,873,969.60 and 4,600,809,769.60

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Solution

The fourth proportional to 12,872,582,646.40, 19,308,873,969.60 and 4,600,809,769.60 is: 6,901,214,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,582,646.40 : 19,308,873,969.60 = 4,600,809,769.60 : x
  2. Step 2: Convert to fraction form
    12,872,582,646.40/19,308,873,969.60 = 4,600,809,769.60/x
  3. Step 3: Cross multiply
    12,872,582,646.40x = 19,308,873,969.60 × 4,600,809,769.60
  4. Step 4: Simplify right side
    12,872,582,646.40x = 88,836,455,999,310,807,040
  5. Step 5: Solve for x
    x = 88,836,455,999,310,807,040/12,872,582,646.40
  6. Step 6: Final answer
    x = 6,901,214,654.40

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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.