Home / 6,387,109,641.45-9,581,002,812.90-1,968,563,906.91

Finding the Fourth Proportional to 6,387,109,641.45, 9,581,002,812.90 and 1,968,563,906.91

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Solution

The fourth proportional to 6,387,109,641.45, 9,581,002,812.90 and 1,968,563,906.91 is: 2,952,950,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,109,641.45 : 9,581,002,812.90 = 1,968,563,906.91 : x
  2. Step 2: Convert to fraction form
    6,387,109,641.45/9,581,002,812.90 = 1,968,563,906.91/x
  3. Step 3: Cross multiply
    6,387,109,641.45x = 9,581,002,812.90 × 1,968,563,906.91
  4. Step 4: Simplify right side
    6,387,109,641.45x = 18,860,816,329,478,123,520
  5. Step 5: Solve for x
    x = 18,860,816,329,478,123,520/6,387,109,641.45
  6. Step 6: Final answer
    x = 2,952,950,143.06

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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.