Home / 12,597,142,416.60-18,895,713,624.90-3,871,873,219.80

Finding the Fourth Proportional to 12,597,142,416.60, 18,895,713,624.90 and 3,871,873,219.80

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Solution

The fourth proportional to 12,597,142,416.60, 18,895,713,624.90 and 3,871,873,219.80 is: 5,807,809,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597,142,416.60 : 18,895,713,624.90 = 3,871,873,219.80 : x
  2. Step 2: Convert to fraction form
    12,597,142,416.60/18,895,713,624.90 = 3,871,873,219.80/x
  3. Step 3: Cross multiply
    12,597,142,416.60x = 18,895,713,624.90 × 3,871,873,219.80
  4. Step 4: Simplify right side
    12,597,142,416.60x = 73,161,807,553,260,298,240
  5. Step 5: Solve for x
    x = 73,161,807,553,260,298,240/12,597,142,416.60
  6. Step 6: Final answer
    x = 5,807,809,829.70

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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.