Home / 2,775,861,831.35-3,830,666,654.42-1,505,699,635.49

Finding the Fourth Proportional to 2,775,861,831.35, 3,830,666,654.42 and 1,505,699,635.49

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Solution

The fourth proportional to 2,775,861,831.35, 3,830,666,654.42 and 1,505,699,635.49 is: 2,077,853,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,861,831.35 : 3,830,666,654.42 = 1,505,699,635.49 : x
  2. Step 2: Convert to fraction form
    2,775,861,831.35/3,830,666,654.42 = 1,505,699,635.49/x
  3. Step 3: Cross multiply
    2,775,861,831.35x = 3,830,666,654.42 × 1,505,699,635.49
  4. Step 4: Simplify right side
    2,775,861,831.35x = 5,767,833,385,237,104,640
  5. Step 5: Solve for x
    x = 5,767,833,385,237,104,640/2,775,861,831.35
  6. Step 6: Final answer
    x = 2,077,853,198.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.