Home / 848,667,993.98-1,273,002,343.95-381,784,080.47

Finding the Fourth Proportional to 848,667,993.98, 1,273,002,343.95 and 381,784,080.47

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Solution

The fourth proportional to 848,667,993.98, 1,273,002,343.95 and 381,784,080.47 is: 572,676,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,667,993.98 : 1,273,002,343.95 = 381,784,080.47 : x
  2. Step 2: Convert to fraction form
    848,667,993.98/1,273,002,343.95 = 381,784,080.47/x
  3. Step 3: Cross multiply
    848,667,993.98x = 1,273,002,343.95 × 381,784,080.47
  4. Step 4: Simplify right side
    848,667,993.98x = 486,012,029,321,105,472
  5. Step 5: Solve for x
    x = 486,012,029,321,105,472/848,667,993.98
  6. Step 6: Final answer
    x = 572,676,279.50

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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.