Home / 369,200,199.24-509,385,664.36-212,563,278.90

Finding the Fourth Proportional to 369,200,199.24, 509,385,664.36 and 212,563,278.90

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Solution

The fourth proportional to 369,200,199.24, 509,385,664.36 and 212,563,278.90 is: 293,273,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,200,199.24 : 509,385,664.36 = 212,563,278.90 : x
  2. Step 2: Convert to fraction form
    369,200,199.24/509,385,664.36 = 212,563,278.90/x
  3. Step 3: Cross multiply
    369,200,199.24x = 509,385,664.36 × 212,563,278.90
  4. Step 4: Simplify right side
    369,200,199.24x = 108,276,687,041,517,648
  5. Step 5: Solve for x
    x = 108,276,687,041,517,648/369,200,199.24
  6. Step 6: Final answer
    x = 293,273,641.95

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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.