Home / 654,538,668.20-903,282,610.86-357,200,160.02

Finding the Fourth Proportional to 654,538,668.20, 903,282,610.86 and 357,200,160.02

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Solution

The fourth proportional to 654,538,668.20, 903,282,610.86 and 357,200,160.02 is: 492,946,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,538,668.20 : 903,282,610.86 = 357,200,160.02 : x
  2. Step 2: Convert to fraction form
    654,538,668.20/903,282,610.86 = 357,200,160.02/x
  3. Step 3: Cross multiply
    654,538,668.20x = 903,282,610.86 × 357,200,160.02
  4. Step 4: Simplify right side
    654,538,668.20x = 322,652,693,142,475,392
  5. Step 5: Solve for x
    x = 322,652,693,142,475,392/654,538,668.20
  6. Step 6: Final answer
    x = 492,946,725.41

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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.