Home / 336,880,271.60-505,320,407.40-205,933,209.20

Finding the Fourth Proportional to 336,880,271.60, 505,320,407.40 and 205,933,209.20

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Solution

The fourth proportional to 336,880,271.60, 505,320,407.40 and 205,933,209.20 is: 308,899,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,880,271.60 : 505,320,407.40 = 205,933,209.20 : x
  2. Step 2: Convert to fraction form
    336,880,271.60/505,320,407.40 = 205,933,209.20/x
  3. Step 3: Cross multiply
    336,880,271.60x = 505,320,407.40 × 205,933,209.20
  4. Step 4: Simplify right side
    336,880,271.60x = 104,062,253,170,133,424
  5. Step 5: Solve for x
    x = 104,062,253,170,133,424/336,880,271.60
  6. Step 6: Final answer
    x = 308,899,813.80

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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.