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Finding the Fourth Proportional to 256,858,001,024.40, 385,287,001,536.60 and 256,858,001,024.40

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Solution

The fourth proportional to 256,858,001,024.40, 385,287,001,536.60 and 256,858,001,024.40 is: 385,287,001,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,858,001,024.40 : 385,287,001,536.60 = 256,858,001,024.40 : x
  2. Step 2: Convert to fraction form
    256,858,001,024.40/385,287,001,536.60 = 256,858,001,024.40/x
  3. Step 3: Cross multiply
    256,858,001,024.40x = 385,287,001,536.60 × 256,858,001,024.40
  4. Step 4: Simplify right side
    256,858,001,024.40x = 98,964,049,035,376,004,694,016
  5. Step 5: Solve for x
    x = 98,964,049,035,376,004,694,016/256,858,001,024.40
  6. Step 6: Final answer
    x = 385,287,001,536.60

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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.