Home / 325,550,712.80-488,326,069.20-264,328,709.60

Finding the Fourth Proportional to 325,550,712.80, 488,326,069.20 and 264,328,709.60

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Solution

The fourth proportional to 325,550,712.80, 488,326,069.20 and 264,328,709.60 is: 396,493,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,550,712.80 : 488,326,069.20 = 264,328,709.60 : x
  2. Step 2: Convert to fraction form
    325,550,712.80/488,326,069.20 = 264,328,709.60/x
  3. Step 3: Cross multiply
    325,550,712.80x = 488,326,069.20 × 264,328,709.60
  4. Step 4: Simplify right side
    325,550,712.80x = 129,078,599,735,676,304
  5. Step 5: Solve for x
    x = 129,078,599,735,676,304/325,550,712.80
  6. Step 6: Final answer
    x = 396,493,064.40

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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.