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Finding the Fourth Proportional to 1,190,091,448.20, 1,781,609,978.70 and 884,737,259.40

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Solution

The fourth proportional to 1,190,091,448.20, 1,781,609,978.70 and 884,737,259.40 is: 1,324,483,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,091,448.20 : 1,781,609,978.70 = 884,737,259.40 : x
  2. Step 2: Convert to fraction form
    1,190,091,448.20/1,781,609,978.70 = 884,737,259.40/x
  3. Step 3: Cross multiply
    1,190,091,448.20x = 1,781,609,978.70 × 884,737,259.40
  4. Step 4: Simplify right side
    1,190,091,448.20x = 1,576,256,729,874,730,496
  5. Step 5: Solve for x
    x = 1,576,256,729,874,730,496/1,190,091,448.20
  6. Step 6: Final answer
    x = 1,324,483,704.39

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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.