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Finding the Fourth Proportional to 959,365,630.05, 1,439,048,445.08 and 959,365,630.05

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Solution

The fourth proportional to 959,365,630.05, 1,439,048,445.08 and 959,365,630.05 is: 1,439,048,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,365,630.05 : 1,439,048,445.08 = 959,365,630.05 : x
  2. Step 2: Convert to fraction form
    959,365,630.05/1,439,048,445.08 = 959,365,630.05/x
  3. Step 3: Cross multiply
    959,365,630.05x = 1,439,048,445.08 × 959,365,630.05
  4. Step 4: Simplify right side
    959,365,630.05x = 1,380,573,618,181,850,112
  5. Step 5: Solve for x
    x = 1,380,573,618,181,850,112/959,365,630.05
  6. Step 6: Final answer
    x = 1,439,048,445.08

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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.