Home / 415,428,319.04-573,255,367.44-229,743,115.52

Finding the Fourth Proportional to 415,428,319.04, 573,255,367.44 and 229,743,115.52

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Solution

The fourth proportional to 415,428,319.04, 573,255,367.44 and 229,743,115.52 is: 317,025,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,428,319.04 : 573,255,367.44 = 229,743,115.52 : x
  2. Step 2: Convert to fraction form
    415,428,319.04/573,255,367.44 = 229,743,115.52/x
  3. Step 3: Cross multiply
    415,428,319.04x = 573,255,367.44 × 229,743,115.52
  4. Step 4: Simplify right side
    415,428,319.04x = 131,701,474,104,227,984
  5. Step 5: Solve for x
    x = 131,701,474,104,227,984/415,428,319.04
  6. Step 6: Final answer
    x = 317,025,749.25

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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.