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Finding the Fourth Proportional to 8,692,495,400.70, 13,038,743,101.05 and 8,692,495,400.70

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Solution

The fourth proportional to 8,692,495,400.70, 13,038,743,101.05 and 8,692,495,400.70 is: 13,038,743,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692,495,400.70 : 13,038,743,101.05 = 8,692,495,400.70 : x
  2. Step 2: Convert to fraction form
    8,692,495,400.70/13,038,743,101.05 = 8,692,495,400.70/x
  3. Step 3: Cross multiply
    8,692,495,400.70x = 13,038,743,101.05 × 8,692,495,400.70
  4. Step 4: Simplify right side
    8,692,495,400.70x = 113,339,214,436,785,979,392
  5. Step 5: Solve for x
    x = 113,339,214,436,785,979,392/8,692,495,400.70
  6. Step 6: Final answer
    x = 13,038,743,101.05

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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.