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Finding the Fourth Proportional to 6,460,447,431.60, 9,690,671,147.40 and 6,460,447,431.60

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Solution

The fourth proportional to 6,460,447,431.60, 9,690,671,147.40 and 6,460,447,431.60 is: 9,690,671,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460,447,431.60 : 9,690,671,147.40 = 6,460,447,431.60 : x
  2. Step 2: Convert to fraction form
    6,460,447,431.60/9,690,671,147.40 = 6,460,447,431.60/x
  3. Step 3: Cross multiply
    6,460,447,431.60x = 9,690,671,147.40 × 6,460,447,431.60
  4. Step 4: Simplify right side
    6,460,447,431.60x = 62,606,071,524,700,553,216
  5. Step 5: Solve for x
    x = 62,606,071,524,700,553,216/6,460,447,431.60
  6. Step 6: Final answer
    x = 9,690,671,147.40

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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.