Home / 216,870,186,872.80-325,305,280,309.20-77,233,631,096.80

Finding the Fourth Proportional to 216,870,186,872.80, 325,305,280,309.20 and 77,233,631,096.80

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Solution

The fourth proportional to 216,870,186,872.80, 325,305,280,309.20 and 77,233,631,096.80 is: 115,850,446,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,870,186,872.80 : 325,305,280,309.20 = 77,233,631,096.80 : x
  2. Step 2: Convert to fraction form
    216,870,186,872.80/325,305,280,309.20 = 77,233,631,096.80/x
  3. Step 3: Cross multiply
    216,870,186,872.80x = 325,305,280,309.20 × 77,233,631,096.80
  4. Step 4: Simplify right side
    216,870,186,872.80x = 25,124,508,013,241,871,368,192
  5. Step 5: Solve for x
    x = 25,124,508,013,241,871,368,192/216,870,186,872.80
  6. Step 6: Final answer
    x = 115,850,446,645.20

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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.