Home / 336,880,278.10-505,320,417.15-205,933,215.70

Finding the Fourth Proportional to 336,880,278.10, 505,320,417.15 and 205,933,215.70

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Solution

The fourth proportional to 336,880,278.10, 505,320,417.15 and 205,933,215.70 is: 308,899,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,880,278.10 : 505,320,417.15 = 205,933,215.70 : x
  2. Step 2: Convert to fraction form
    336,880,278.10/505,320,417.15 = 205,933,215.70/x
  3. Step 3: Cross multiply
    336,880,278.10x = 505,320,417.15 × 205,933,215.70
  4. Step 4: Simplify right side
    336,880,278.10x = 104,062,258,462,564,912
  5. Step 5: Solve for x
    x = 104,062,258,462,564,912/336,880,278.10
  6. Step 6: Final answer
    x = 308,899,823.55

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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.