Home / 5,078,410,814.25-7,614,598,490.67-1,930,855,827.78

Finding the Fourth Proportional to 5,078,410,814.25, 7,614,598,490.67 and 1,930,855,827.78

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Solution

The fourth proportional to 5,078,410,814.25, 7,614,598,490.67 and 1,930,855,827.78 is: 2,895,136,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,410,814.25 : 7,614,598,490.67 = 1,930,855,827.78 : x
  2. Step 2: Convert to fraction form
    5,078,410,814.25/7,614,598,490.67 = 1,930,855,827.78/x
  3. Step 3: Cross multiply
    5,078,410,814.25x = 7,614,598,490.67 × 1,930,855,827.78
  4. Step 4: Simplify right side
    5,078,410,814.25x = 14,702,691,871,914,960,896
  5. Step 5: Solve for x
    x = 14,702,691,871,914,960,896/5,078,410,814.25
  6. Step 6: Final answer
    x = 2,895,136,374.29

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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.