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Finding the Fourth Proportional to 996,856,019.05, 1,495,284,028.58 and 996,856,019.05

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Solution

The fourth proportional to 996,856,019.05, 1,495,284,028.58 and 996,856,019.05 is: 1,495,284,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,856,019.05 : 1,495,284,028.58 = 996,856,019.05 : x
  2. Step 2: Convert to fraction form
    996,856,019.05/1,495,284,028.58 = 996,856,019.05/x
  3. Step 3: Cross multiply
    996,856,019.05x = 1,495,284,028.58 × 996,856,019.05
  4. Step 4: Simplify right side
    996,856,019.05x = 1,490,582,884,079,304,960
  5. Step 5: Solve for x
    x = 1,490,582,884,079,304,960/996,856,019.05
  6. Step 6: Final answer
    x = 1,495,284,028.58

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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.