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Finding the Fourth Proportional to 74,313,200,430.90, 111,469,800,646.35 and 74,313,200,430.90

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Solution

The fourth proportional to 74,313,200,430.90, 111,469,800,646.35 and 74,313,200,430.90 is: 111,469,800,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313,200,430.90 : 111,469,800,646.35 = 74,313,200,430.90 : x
  2. Step 2: Convert to fraction form
    74,313,200,430.90/111,469,800,646.35 = 74,313,200,430.90/x
  3. Step 3: Cross multiply
    74,313,200,430.90x = 111,469,800,646.35 × 74,313,200,430.90
  4. Step 4: Simplify right side
    74,313,200,430.90x = 8,283,677,637,424,673,980,416
  5. Step 5: Solve for x
    x = 8,283,677,637,424,673,980,416/74,313,200,430.90
  6. Step 6: Final answer
    x = 111,469,800,646.35

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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.