Home / 203,535,344,579.80-305,303,016,869.70-185,903,407,658.20

Finding the Fourth Proportional to 203,535,344,579.80, 305,303,016,869.70 and 185,903,407,658.20

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Solution

The fourth proportional to 203,535,344,579.80, 305,303,016,869.70 and 185,903,407,658.20 is: 278,855,111,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,535,344,579.80 : 305,303,016,869.70 = 185,903,407,658.20 : x
  2. Step 2: Convert to fraction form
    203,535,344,579.80/305,303,016,869.70 = 185,903,407,658.20/x
  3. Step 3: Cross multiply
    203,535,344,579.80x = 305,303,016,869.70 × 185,903,407,658.20
  4. Step 4: Simplify right side
    203,535,344,579.80x = 56,756,871,204,406,156,066,816
  5. Step 5: Solve for x
    x = 56,756,871,204,406,156,066,816/203,535,344,579.80
  6. Step 6: Final answer
    x = 278,855,111,487.30

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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.