Home / 809,101,416-1,116,562,914.72-437,823,451.20

Finding the Fourth Proportional to 809,101,416, 1,116,562,914.72 and 437,823,451.20

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Solution

The fourth proportional to 809,101,416, 1,116,562,914.72 and 437,823,451.20 is: 604,197,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,101,416 : 1,116,562,914.72 = 437,823,451.20 : x
  2. Step 2: Convert to fraction form
    809,101,416/1,116,562,914.72 = 437,823,451.20/x
  3. Step 3: Cross multiply
    809,101,416x = 1,116,562,914.72 × 437,823,451.20
  4. Step 4: Simplify right side
    809,101,416x = 488,857,428,804,641,664
  5. Step 5: Solve for x
    x = 488,857,428,804,641,664/809,101,416
  6. Step 6: Final answer
    x = 604,197,964.73

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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.