Home / 215,234,056,340.80-322,851,084,511.20-148,287,795,841.60

Finding the Fourth Proportional to 215,234,056,340.80, 322,851,084,511.20 and 148,287,795,841.60

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Solution

The fourth proportional to 215,234,056,340.80, 322,851,084,511.20 and 148,287,795,841.60 is: 222,431,693,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,234,056,340.80 : 322,851,084,511.20 = 148,287,795,841.60 : x
  2. Step 2: Convert to fraction form
    215,234,056,340.80/322,851,084,511.20 = 148,287,795,841.60/x
  3. Step 3: Cross multiply
    215,234,056,340.80x = 322,851,084,511.20 × 148,287,795,841.60
  4. Step 4: Simplify right side
    215,234,056,340.80x = 47,874,875,707,235,978,182,656
  5. Step 5: Solve for x
    x = 47,874,875,707,235,978,182,656/215,234,056,340.80
  6. Step 6: Final answer
    x = 222,431,693,762.40

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1.5x scale

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.