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Finding the Fourth Proportional to 3,501,346,646.60, 5,252,019,969.90 and 3,501,346,646.60

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Solution

The fourth proportional to 3,501,346,646.60, 5,252,019,969.90 and 3,501,346,646.60 is: 5,252,019,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501,346,646.60 : 5,252,019,969.90 = 3,501,346,646.60 : x
  2. Step 2: Convert to fraction form
    3,501,346,646.60/5,252,019,969.90 = 3,501,346,646.60/x
  3. Step 3: Cross multiply
    3,501,346,646.60x = 5,252,019,969.90 × 3,501,346,646.60
  4. Step 4: Simplify right side
    3,501,346,646.60x = 18,389,142,509,485,596,672
  5. Step 5: Solve for x
    x = 18,389,142,509,485,596,672/3,501,346,646.60
  6. Step 6: Final answer
    x = 5,252,019,969.90

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Double scale
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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.