Home / 856,069,892.58-1,181,449,309.77-484,857,960.42

Finding the Fourth Proportional to 856,069,892.58, 1,181,449,309.77 and 484,857,960.42

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Solution

The fourth proportional to 856,069,892.58, 1,181,449,309.77 and 484,857,960.42 is: 669,145,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,069,892.58 : 1,181,449,309.77 = 484,857,960.42 : x
  2. Step 2: Convert to fraction form
    856,069,892.58/1,181,449,309.77 = 484,857,960.42/x
  3. Step 3: Cross multiply
    856,069,892.58x = 1,181,449,309.77 × 484,857,960.42
  4. Step 4: Simplify right side
    856,069,892.58x = 572,835,102,674,699,008
  5. Step 5: Solve for x
    x = 572,835,102,674,699,008/856,069,892.58
  6. Step 6: Final answer
    x = 669,145,250.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.