Home / 353,321,394.48-487,587,132.59-194,566,280.36

Finding the Fourth Proportional to 353,321,394.48, 487,587,132.59 and 194,566,280.36

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Solution

The fourth proportional to 353,321,394.48, 487,587,132.59 and 194,566,280.36 is: 268,503,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,321,394.48 : 487,587,132.59 = 194,566,280.36 : x
  2. Step 2: Convert to fraction form
    353,321,394.48/487,587,132.59 = 194,566,280.36/x
  3. Step 3: Cross multiply
    353,321,394.48x = 487,587,132.59 × 194,566,280.36
  4. Step 4: Simplify right side
    353,321,394.48x = 94,868,014,736,023,664
  5. Step 5: Solve for x
    x = 94,868,014,736,023,664/353,321,394.48
  6. Step 6: Final answer
    x = 268,503,453.85

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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.