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Finding the Fourth Proportional to 2,125,402,416,021.40, 3,188,103,624,032 and 2,125,402,416,021.40

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Solution

The fourth proportional to 2,125,402,416,021.40, 3,188,103,624,032 and 2,125,402,416,021.40 is: 3,188,103,624,032

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,402,416,021.40 : 3,188,103,624,032 = 2,125,402,416,021.40 : x
  2. Step 2: Convert to fraction form
    2,125,402,416,021.40/3,188,103,624,032 = 2,125,402,416,021.40/x
  3. Step 3: Cross multiply
    2,125,402,416,021.40x = 3,188,103,624,032 × 2,125,402,416,021.40
  4. Step 4: Simplify right side
    2,125,402,416,021.40x = 6,776,003,145,044,193,508,851,712
  5. Step 5: Solve for x
    x = 6,776,003,145,044,193,508,851,712/2,125,402,416,021.40
  6. Step 6: Final answer
    x = 3,188,103,624,032

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Double scale
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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.