Home / 1,021,089,715.43-1,409,066,605.62-568,944,321.26

Finding the Fourth Proportional to 1,021,089,715.43, 1,409,066,605.62 and 568,944,321.26

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Solution

The fourth proportional to 1,021,089,715.43, 1,409,066,605.62 and 568,944,321.26 is: 785,122,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,089,715.43 : 1,409,066,605.62 = 568,944,321.26 : x
  2. Step 2: Convert to fraction form
    1,021,089,715.43/1,409,066,605.62 = 568,944,321.26/x
  3. Step 3: Cross multiply
    1,021,089,715.43x = 1,409,066,605.62 × 568,944,321.26
  4. Step 4: Simplify right side
    1,021,089,715.43x = 801,680,443,548,125,696
  5. Step 5: Solve for x
    x = 801,680,443,548,125,696/1,021,089,715.43
  6. Step 6: Final answer
    x = 785,122,434.82

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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.