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Finding the Fourth Proportional to 3,621,673,266.30, 5,432,509,899.45 and 3,621,673,266.30

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Solution

The fourth proportional to 3,621,673,266.30, 5,432,509,899.45 and 3,621,673,266.30 is: 5,432,509,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,673,266.30 : 5,432,509,899.45 = 3,621,673,266.30 : x
  2. Step 2: Convert to fraction form
    3,621,673,266.30/5,432,509,899.45 = 3,621,673,266.30/x
  3. Step 3: Cross multiply
    3,621,673,266.30x = 5,432,509,899.45 × 3,621,673,266.30
  4. Step 4: Simplify right side
    3,621,673,266.30x = 19,674,775,871,748,165,632
  5. Step 5: Solve for x
    x = 19,674,775,871,748,165,632/3,621,673,266.30
  6. Step 6: Final answer
    x = 5,432,509,899.45

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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.