Home / 285,629,118,294.29-394,156,286,861.65-155,418,484,233.72

Finding the Fourth Proportional to 285,629,118,294.29, 394,156,286,861.65 and 155,418,484,233.72

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Solution

The fourth proportional to 285,629,118,294.29, 394,156,286,861.65 and 155,418,484,233.72 is: 214,471,035,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,629,118,294.29 : 394,156,286,861.65 = 155,418,484,233.72 : x
  2. Step 2: Convert to fraction form
    285,629,118,294.29/394,156,286,861.65 = 155,418,484,233.72/x
  3. Step 3: Cross multiply
    285,629,118,294.29x = 394,156,286,861.65 × 155,418,484,233.72
  4. Step 4: Simplify right side
    285,629,118,294.29x = 61,259,172,655,228,975,579,136
  5. Step 5: Solve for x
    x = 61,259,172,655,228,975,579,136/285,629,118,294.29
  6. Step 6: Final answer
    x = 214,471,035,099.83

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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.