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Finding the Fourth Proportional to 2,155,301,820.45, 3,232,952,730.68 and 2,155,301,820.45

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Solution

The fourth proportional to 2,155,301,820.45, 3,232,952,730.68 and 2,155,301,820.45 is: 3,232,952,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,301,820.45 : 3,232,952,730.68 = 2,155,301,820.45 : x
  2. Step 2: Convert to fraction form
    2,155,301,820.45/3,232,952,730.68 = 2,155,301,820.45/x
  3. Step 3: Cross multiply
    2,155,301,820.45x = 3,232,952,730.68 × 2,155,301,820.45
  4. Step 4: Simplify right side
    2,155,301,820.45x = 6,967,988,905,852,625,920
  5. Step 5: Solve for x
    x = 6,967,988,905,852,625,920/2,155,301,820.45
  6. Step 6: Final answer
    x = 3,232,952,730.68

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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.