Home / 406,025,339.79-560,300,471.46-229,809,551.73

Finding the Fourth Proportional to 406,025,339.79, 560,300,471.46 and 229,809,551.73

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Solution

The fourth proportional to 406,025,339.79, 560,300,471.46 and 229,809,551.73 is: 317,128,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,025,339.79 : 560,300,471.46 = 229,809,551.73 : x
  2. Step 2: Convert to fraction form
    406,025,339.79/560,300,471.46 = 229,809,551.73/x
  3. Step 3: Cross multiply
    406,025,339.79x = 560,300,471.46 × 229,809,551.73
  4. Step 4: Simplify right side
    406,025,339.79x = 128,762,400,180,330,256
  5. Step 5: Solve for x
    x = 128,762,400,180,330,256/406,025,339.79
  6. Step 6: Final answer
    x = 317,128,975.86

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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.