Home / 79,515,319,074.17-119,264,167,992.40-28,461,576,709.44

Finding the Fourth Proportional to 79,515,319,074.17, 119,264,167,992.40 and 28,461,576,709.44

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Solution

The fourth proportional to 79,515,319,074.17, 119,264,167,992.40 and 28,461,576,709.44 is: 42,689,211,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,515,319,074.17 : 119,264,167,992.40 = 28,461,576,709.44 : x
  2. Step 2: Convert to fraction form
    79,515,319,074.17/119,264,167,992.40 = 28,461,576,709.44/x
  3. Step 3: Cross multiply
    79,515,319,074.17x = 119,264,167,992.40 × 28,461,576,709.44
  4. Step 4: Simplify right side
    79,515,319,074.17x = 3,394,446,266,002,635,227,136
  5. Step 5: Solve for x
    x = 3,394,446,266,002,635,227,136/79,515,319,074.17
  6. Step 6: Final answer
    x = 42,689,211,406.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.