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Finding the Fourth Proportional to 21,354,624,032.60, 32,031,936,048.90 and 21,354,624,032.60

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Solution

The fourth proportional to 21,354,624,032.60, 32,031,936,048.90 and 21,354,624,032.60 is: 32,031,936,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,354,624,032.60 : 32,031,936,048.90 = 21,354,624,032.60 : x
  2. Step 2: Convert to fraction form
    21,354,624,032.60/32,031,936,048.90 = 21,354,624,032.60/x
  3. Step 3: Cross multiply
    21,354,624,032.60x = 32,031,936,048.90 × 21,354,624,032.60
  4. Step 4: Simplify right side
    21,354,624,032.60x = 684,029,951,360,546,242,560
  5. Step 5: Solve for x
    x = 684,029,951,360,546,242,560/21,354,624,032.60
  6. Step 6: Final answer
    x = 32,031,936,048.90

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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.