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Finding the Fourth Proportional to 556,942,665.60, 835,413,998.40 and 556,942,665.60

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Solution

The fourth proportional to 556,942,665.60, 835,413,998.40 and 556,942,665.60 is: 835,413,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,942,665.60 : 835,413,998.40 = 556,942,665.60 : x
  2. Step 2: Convert to fraction form
    556,942,665.60/835,413,998.40 = 556,942,665.60/x
  3. Step 3: Cross multiply
    556,942,665.60x = 835,413,998.40 × 556,942,665.60
  4. Step 4: Simplify right side
    556,942,665.60x = 465,277,699,148,450,112
  5. Step 5: Solve for x
    x = 465,277,699,148,450,112/556,942,665.60
  6. Step 6: Final answer
    x = 835,413,998.40

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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.