Home / 472,959,989.28-652,690,263.06-261,262,434.33

Finding the Fourth Proportional to 472,959,989.28, 652,690,263.06 and 261,262,434.33

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Solution

The fourth proportional to 472,959,989.28, 652,690,263.06 and 261,262,434.33 is: 360,545,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,959,989.28 : 652,690,263.06 = 261,262,434.33 : x
  2. Step 2: Convert to fraction form
    472,959,989.28/652,690,263.06 = 261,262,434.33/x
  3. Step 3: Cross multiply
    472,959,989.28x = 652,690,263.06 × 261,262,434.33
  4. Step 4: Simplify right side
    472,959,989.28x = 170,523,446,990,543,680
  5. Step 5: Solve for x
    x = 170,523,446,990,543,680/472,959,989.28
  6. Step 6: Final answer
    x = 360,545,185.33

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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.