Home / 12,597,142,430.60-18,895,713,645.90-3,871,873,233.80

Finding the Fourth Proportional to 12,597,142,430.60, 18,895,713,645.90 and 3,871,873,233.80

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Solution

The fourth proportional to 12,597,142,430.60, 18,895,713,645.90 and 3,871,873,233.80 is: 5,807,809,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597,142,430.60 : 18,895,713,645.90 = 3,871,873,233.80 : x
  2. Step 2: Convert to fraction form
    12,597,142,430.60/18,895,713,645.90 = 3,871,873,233.80/x
  3. Step 3: Cross multiply
    12,597,142,430.60x = 18,895,713,645.90 × 3,871,873,233.80
  4. Step 4: Simplify right side
    12,597,142,430.60x = 73,161,807,899,109,629,952
  5. Step 5: Solve for x
    x = 73,161,807,899,109,629,952/12,597,142,430.60
  6. Step 6: Final answer
    x = 5,807,809,850.70

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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.