Home / 1,070,336,039.70-1,605,504,059.55-343,398,234.90

Finding the Fourth Proportional to 1,070,336,039.70, 1,605,504,059.55 and 343,398,234.90

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Solution

The fourth proportional to 1,070,336,039.70, 1,605,504,059.55 and 343,398,234.90 is: 515,097,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,336,039.70 : 1,605,504,059.55 = 343,398,234.90 : x
  2. Step 2: Convert to fraction form
    1,070,336,039.70/1,605,504,059.55 = 343,398,234.90/x
  3. Step 3: Cross multiply
    1,070,336,039.70x = 1,605,504,059.55 × 343,398,234.90
  4. Step 4: Simplify right side
    1,070,336,039.70x = 551,327,260,174,254,464
  5. Step 5: Solve for x
    x = 551,327,260,174,254,464/1,070,336,039.70
  6. Step 6: Final answer
    x = 515,097,352.35

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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.