Home / 325,863,856.40-488,795,784.60-196,404,828.80

Finding the Fourth Proportional to 325,863,856.40, 488,795,784.60 and 196,404,828.80

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Solution

The fourth proportional to 325,863,856.40, 488,795,784.60 and 196,404,828.80 is: 294,607,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,863,856.40 : 488,795,784.60 = 196,404,828.80 : x
  2. Step 2: Convert to fraction form
    325,863,856.40/488,795,784.60 = 196,404,828.80/x
  3. Step 3: Cross multiply
    325,863,856.40x = 488,795,784.60 × 196,404,828.80
  4. Step 4: Simplify right side
    325,863,856.40x = 96,001,852,392,524,688
  5. Step 5: Solve for x
    x = 96,001,852,392,524,688/325,863,856.40
  6. Step 6: Final answer
    x = 294,607,243.20

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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.