Home / 331,098,519,774.86-496,647,779,101.78-79,559,713,846.49

Finding the Fourth Proportional to 331,098,519,774.86, 496,647,779,101.78 and 79,559,713,846.49

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Solution

The fourth proportional to 331,098,519,774.86, 496,647,779,101.78 and 79,559,713,846.49 is: 119,339,570,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,098,519,774.86 : 496,647,779,101.78 = 79,559,713,846.49 : x
  2. Step 2: Convert to fraction form
    331,098,519,774.86/496,647,779,101.78 = 79,559,713,846.49/x
  3. Step 3: Cross multiply
    331,098,519,774.86x = 496,647,779,101.78 × 79,559,713,846.49
  4. Step 4: Simplify right side
    331,098,519,774.86x = 39,513,155,187,832,401,166,336
  5. Step 5: Solve for x
    x = 39,513,155,187,832,401,166,336/331,098,519,774.86
  6. Step 6: Final answer
    x = 119,339,570,635.05

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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.