Home / 366,909,405.60-550,364,108.40-338,849,320.80

Finding the Fourth Proportional to 366,909,405.60, 550,364,108.40 and 338,849,320.80

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Solution

The fourth proportional to 366,909,405.60, 550,364,108.40 and 338,849,320.80 is: 508,273,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909,405.60 : 550,364,108.40 = 338,849,320.80 : x
  2. Step 2: Convert to fraction form
    366,909,405.60/550,364,108.40 = 338,849,320.80/x
  3. Step 3: Cross multiply
    366,909,405.60x = 550,364,108.40 × 338,849,320.80
  4. Step 4: Simplify right side
    366,909,405.60x = 186,490,504,324,037,568
  5. Step 5: Solve for x
    x = 186,490,504,324,037,568/366,909,405.60
  6. Step 6: Final answer
    x = 508,273,981.20

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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.