Home / 1,170,048,562.60-1,755,072,843.90-393,436,114.60

Finding the Fourth Proportional to 1,170,048,562.60, 1,755,072,843.90 and 393,436,114.60

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Solution

The fourth proportional to 1,170,048,562.60, 1,755,072,843.90 and 393,436,114.60 is: 590,154,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,048,562.60 : 1,755,072,843.90 = 393,436,114.60 : x
  2. Step 2: Convert to fraction form
    1,170,048,562.60/1,755,072,843.90 = 393,436,114.60/x
  3. Step 3: Cross multiply
    1,170,048,562.60x = 1,755,072,843.90 × 393,436,114.60
  4. Step 4: Simplify right side
    1,170,048,562.60x = 690,509,040,543,988,352
  5. Step 5: Solve for x
    x = 690,509,040,543,988,352/1,170,048,562.60
  6. Step 6: Final answer
    x = 590,154,171.90

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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.