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Finding the Fourth Proportional to 12,947,051,372.40, 19,420,577,058.60 and 12,947,051,372.40

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Solution

The fourth proportional to 12,947,051,372.40, 19,420,577,058.60 and 12,947,051,372.40 is: 19,420,577,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,051,372.40 : 19,420,577,058.60 = 12,947,051,372.40 : x
  2. Step 2: Convert to fraction form
    12,947,051,372.40/19,420,577,058.60 = 12,947,051,372.40/x
  3. Step 3: Cross multiply
    12,947,051,372.40x = 19,420,577,058.60 × 12,947,051,372.40
  4. Step 4: Simplify right side
    12,947,051,372.40x = 251,439,208,859,347,058,688
  5. Step 5: Solve for x
    x = 251,439,208,859,347,058,688/12,947,051,372.40
  6. Step 6: Final answer
    x = 19,420,577,058.60

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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.