Home / 12,597,142,426.60-18,895,713,639.90-3,871,873,229.80

Finding the Fourth Proportional to 12,597,142,426.60, 18,895,713,639.90 and 3,871,873,229.80

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Solution

The fourth proportional to 12,597,142,426.60, 18,895,713,639.90 and 3,871,873,229.80 is: 5,807,809,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597,142,426.60 : 18,895,713,639.90 = 3,871,873,229.80 : x
  2. Step 2: Convert to fraction form
    12,597,142,426.60/18,895,713,639.90 = 3,871,873,229.80/x
  3. Step 3: Cross multiply
    12,597,142,426.60x = 18,895,713,639.90 × 3,871,873,229.80
  4. Step 4: Simplify right side
    12,597,142,426.60x = 73,161,807,800,295,538,688
  5. Step 5: Solve for x
    x = 73,161,807,800,295,538,688/12,597,142,426.60
  6. Step 6: Final answer
    x = 5,807,809,844.70

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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.