Home / 331,098,520,040.84-496,647,779,499.99-79,559,714,112.46

Finding the Fourth Proportional to 331,098,520,040.84, 496,647,779,499.99 and 79,559,714,112.46

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Solution

The fourth proportional to 331,098,520,040.84, 496,647,779,499.99 and 79,559,714,112.46 is: 119,339,571,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,098,520,040.84 : 496,647,779,499.99 = 79,559,714,112.46 : x
  2. Step 2: Convert to fraction form
    331,098,520,040.84/496,647,779,499.99 = 79,559,714,112.46/x
  3. Step 3: Cross multiply
    331,098,520,040.84x = 496,647,779,499.99 × 79,559,714,112.46
  4. Step 4: Simplify right side
    331,098,520,040.84x = 39,513,155,351,607,280,402,432
  5. Step 5: Solve for x
    x = 39,513,155,351,607,280,402,432/331,098,520,040.84
  6. Step 6: Final answer
    x = 119,339,571,033.82

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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.