Home / 393,056,711,998.40-589,585,067,997.60-194,697,421,630.40

Finding the Fourth Proportional to 393,056,711,998.40, 589,585,067,997.60 and 194,697,421,630.40

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Solution

The fourth proportional to 393,056,711,998.40, 589,585,067,997.60 and 194,697,421,630.40 is: 292,046,132,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,056,711,998.40 : 589,585,067,997.60 = 194,697,421,630.40 : x
  2. Step 2: Convert to fraction form
    393,056,711,998.40/589,585,067,997.60 = 194,697,421,630.40/x
  3. Step 3: Cross multiply
    393,056,711,998.40x = 589,585,067,997.60 × 194,697,421,630.40
  4. Step 4: Simplify right side
    393,056,711,998.40x = 114,790,692,570,916,775,264,256
  5. Step 5: Solve for x
    x = 114,790,692,570,916,775,264,256/393,056,711,998.40
  6. Step 6: Final answer
    x = 292,046,132,445.60

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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.