Home / 286,156,492,950.08-394,884,463,105.24-155,942,582,457.76

Finding the Fourth Proportional to 286,156,492,950.08, 394,884,463,105.24 and 155,942,582,457.76

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Solution

The fourth proportional to 286,156,492,950.08, 394,884,463,105.24 and 155,942,582,457.76 is: 215,194,498,346.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,156,492,950.08 : 394,884,463,105.24 = 155,942,582,457.76 : x
  2. Step 2: Convert to fraction form
    286,156,492,950.08/394,884,463,105.24 = 155,942,582,457.76/x
  3. Step 3: Cross multiply
    286,156,492,950.08x = 394,884,463,105.24 × 155,942,582,457.76
  4. Step 4: Simplify right side
    286,156,492,950.08x = 61,579,302,949,077,177,597,952
  5. Step 5: Solve for x
    x = 61,579,302,949,077,177,597,952/286,156,492,950.08
  6. Step 6: Final answer
    x = 215,194,498,346.82

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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.