Home / 6,387,109,643.47-9,581,002,815.93-1,968,563,908.93

Finding the Fourth Proportional to 6,387,109,643.47, 9,581,002,815.93 and 1,968,563,908.93

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Solution

The fourth proportional to 6,387,109,643.47, 9,581,002,815.93 and 1,968,563,908.93 is: 2,952,950,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,109,643.47 : 9,581,002,815.93 = 1,968,563,908.93 : x
  2. Step 2: Convert to fraction form
    6,387,109,643.47/9,581,002,815.93 = 1,968,563,908.93/x
  3. Step 3: Cross multiply
    6,387,109,643.47x = 9,581,002,815.93 × 1,968,563,908.93
  4. Step 4: Simplify right side
    6,387,109,643.47x = 18,860,816,354,786,656,256
  5. Step 5: Solve for x
    x = 18,860,816,354,786,656,256/6,387,109,643.47
  6. Step 6: Final answer
    x = 2,952,950,146.09

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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.