Home / 4,138,978,887.60-6,208,468,331.40-3,894,090,874.80

Finding the Fourth Proportional to 4,138,978,887.60, 6,208,468,331.40 and 3,894,090,874.80

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Solution

The fourth proportional to 4,138,978,887.60, 6,208,468,331.40 and 3,894,090,874.80 is: 5,841,136,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,978,887.60 : 6,208,468,331.40 = 3,894,090,874.80 : x
  2. Step 2: Convert to fraction form
    4,138,978,887.60/6,208,468,331.40 = 3,894,090,874.80/x
  3. Step 3: Cross multiply
    4,138,978,887.60x = 6,208,468,331.40 × 3,894,090,874.80
  4. Step 4: Simplify right side
    4,138,978,887.60x = 24,176,339,875,789,520,896
  5. Step 5: Solve for x
    x = 24,176,339,875,789,520,896/4,138,978,887.60
  6. Step 6: Final answer
    x = 5,841,136,312.20

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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.