Home / 3,545,857,999.80-5,318,786,999.70-1,580,707,279.80

Finding the Fourth Proportional to 3,545,857,999.80, 5,318,786,999.70 and 1,580,707,279.80

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Solution

The fourth proportional to 3,545,857,999.80, 5,318,786,999.70 and 1,580,707,279.80 is: 2,371,060,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,857,999.80 : 5,318,786,999.70 = 1,580,707,279.80 : x
  2. Step 2: Convert to fraction form
    3,545,857,999.80/5,318,786,999.70 = 1,580,707,279.80/x
  3. Step 3: Cross multiply
    3,545,857,999.80x = 5,318,786,999.70 × 1,580,707,279.80
  4. Step 4: Simplify right side
    3,545,857,999.80x = 8,407,445,330,131,389,440
  5. Step 5: Solve for x
    x = 8,407,445,330,131,389,440/3,545,857,999.80
  6. Step 6: Final answer
    x = 2,371,060,919.70

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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.