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Finding the Fourth Proportional to 652,620,217, 978,962,838 and 186,350,810.80

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Solution

The fourth proportional to 652,620,217, 978,962,838 and 186,350,810.80 is: 279,535,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,620,217 : 978,962,838 = 186,350,810.80 : x
  2. Step 2: Convert to fraction form
    652,620,217/978,962,838 = 186,350,810.80/x
  3. Step 3: Cross multiply
    652,620,217x = 978,962,838 × 186,350,810.80
  4. Step 4: Simplify right side
    652,620,217x = 182,430,518,604,369,056
  5. Step 5: Solve for x
    x = 182,430,518,604,369,056/652,620,217
  6. Step 6: Final answer
    x = 279,535,499.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.