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Finding the Fourth Proportional to 3,679,495,312.60, 5,519,242,968.90 and 3,679,495,312.60

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Solution

The fourth proportional to 3,679,495,312.60, 5,519,242,968.90 and 3,679,495,312.60 is: 5,519,242,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,495,312.60 : 5,519,242,968.90 = 3,679,495,312.60 : x
  2. Step 2: Convert to fraction form
    3,679,495,312.60/5,519,242,968.90 = 3,679,495,312.60/x
  3. Step 3: Cross multiply
    3,679,495,312.60x = 5,519,242,968.90 × 3,679,495,312.60
  4. Step 4: Simplify right side
    3,679,495,312.60x = 20,308,028,633,168,056,320
  5. Step 5: Solve for x
    x = 20,308,028,633,168,056,320/3,679,495,312.60
  6. Step 6: Final answer
    x = 5,519,242,968.90

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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.