Home / 352,273,340.40-528,410,010.60-260,440,335.60

Finding the Fourth Proportional to 352,273,340.40, 528,410,010.60 and 260,440,335.60

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Solution

The fourth proportional to 352,273,340.40, 528,410,010.60 and 260,440,335.60 is: 390,660,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,273,340.40 : 528,410,010.60 = 260,440,335.60 : x
  2. Step 2: Convert to fraction form
    352,273,340.40/528,410,010.60 = 260,440,335.60/x
  3. Step 3: Cross multiply
    352,273,340.40x = 528,410,010.60 × 260,440,335.60
  4. Step 4: Simplify right side
    352,273,340.40x = 137,619,280,495,063,568
  5. Step 5: Solve for x
    x = 137,619,280,495,063,568/352,273,340.40
  6. Step 6: Final answer
    x = 390,660,503.40

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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.