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Finding the Fourth Proportional to 3,528,702,969.90, 5,293,054,454.85 and 3,528,702,969.90

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Solution

The fourth proportional to 3,528,702,969.90, 5,293,054,454.85 and 3,528,702,969.90 is: 5,293,054,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528,702,969.90 : 5,293,054,454.85 = 3,528,702,969.90 : x
  2. Step 2: Convert to fraction form
    3,528,702,969.90/5,293,054,454.85 = 3,528,702,969.90/x
  3. Step 3: Cross multiply
    3,528,702,969.90x = 5,293,054,454.85 × 3,528,702,969.90
  4. Step 4: Simplify right side
    3,528,702,969.90x = 18,677,616,974,671,622,144
  5. Step 5: Solve for x
    x = 18,677,616,974,671,622,144/3,528,702,969.90
  6. Step 6: Final answer
    x = 5,293,054,454.85

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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.