Home / 690,302,965.84-1,035,599,872.14-223,927,974.04

Finding the Fourth Proportional to 690,302,965.84, 1,035,599,872.14 and 223,927,974.04

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Solution

The fourth proportional to 690,302,965.84, 1,035,599,872.14 and 223,927,974.04 is: 335,939,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,302,965.84 : 1,035,599,872.14 = 223,927,974.04 : x
  2. Step 2: Convert to fraction form
    690,302,965.84/1,035,599,872.14 = 223,927,974.04/x
  3. Step 3: Cross multiply
    690,302,965.84x = 1,035,599,872.14 × 223,927,974.04
  4. Step 4: Simplify right side
    690,302,965.84x = 231,899,781,284,393,216
  5. Step 5: Solve for x
    x = 231,899,781,284,393,216/690,302,965.84
  6. Step 6: Final answer
    x = 335,939,135.08

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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.