Home / 384,912,129.60-577,368,194.40-221,653,454.40

Finding the Fourth Proportional to 384,912,129.60, 577,368,194.40 and 221,653,454.40

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Solution

The fourth proportional to 384,912,129.60, 577,368,194.40 and 221,653,454.40 is: 332,480,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,129.60 : 577,368,194.40 = 221,653,454.40 : x
  2. Step 2: Convert to fraction form
    384,912,129.60/577,368,194.40 = 221,653,454.40/x
  3. Step 3: Cross multiply
    384,912,129.60x = 577,368,194.40 × 221,653,454.40
  4. Step 4: Simplify right side
    384,912,129.60x = 127,975,654,749,450,736
  5. Step 5: Solve for x
    x = 127,975,654,749,450,736/384,912,129.60
  6. Step 6: Final answer
    x = 332,480,181.60

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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.