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Finding the Fourth Proportional to 590,515,903.80, 885,773,855.70 and 159,694,399.80

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Solution

The fourth proportional to 590,515,903.80, 885,773,855.70 and 159,694,399.80 is: 239,541,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,515,903.80 : 885,773,855.70 = 159,694,399.80 : x
  2. Step 2: Convert to fraction form
    590,515,903.80/885,773,855.70 = 159,694,399.80/x
  3. Step 3: Cross multiply
    590,515,903.80x = 885,773,855.70 × 159,694,399.80
  4. Step 4: Simplify right side
    590,515,903.80x = 141,453,124,244,543,328
  5. Step 5: Solve for x
    x = 141,453,124,244,543,328/590,515,903.80
  6. Step 6: Final answer
    x = 239,541,599.70

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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.