Home / 352,215,854.57-486,005,153.67-201,484,544.60

Finding the Fourth Proportional to 352,215,854.57, 486,005,153.67 and 201,484,544.60

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Solution

The fourth proportional to 352,215,854.57, 486,005,153.67 and 201,484,544.60 is: 278,018,509.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,215,854.57 : 486,005,153.67 = 201,484,544.60 : x
  2. Step 2: Convert to fraction form
    352,215,854.57/486,005,153.67 = 201,484,544.60/x
  3. Step 3: Cross multiply
    352,215,854.57x = 486,005,153.67 × 201,484,544.60
  4. Step 4: Simplify right side
    352,215,854.57x = 97,922,527,058,022,944
  5. Step 5: Solve for x
    x = 97,922,527,058,022,944/352,215,854.57
  6. Step 6: Final answer
    x = 278,018,509.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.