Home / 1,224,711,266.70-1,837,061,640.36-339,394,083.51

Finding the Fourth Proportional to 1,224,711,266.70, 1,837,061,640.36 and 339,394,083.51

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Solution

The fourth proportional to 1,224,711,266.70, 1,837,061,640.36 and 339,394,083.51 is: 509,089,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,711,266.70 : 1,837,061,640.36 = 339,394,083.51 : x
  2. Step 2: Convert to fraction form
    1,224,711,266.70/1,837,061,640.36 = 339,394,083.51/x
  3. Step 3: Cross multiply
    1,224,711,266.70x = 1,837,061,640.36 × 339,394,083.51
  4. Step 4: Simplify right side
    1,224,711,266.70x = 623,487,851,781,359,360
  5. Step 5: Solve for x
    x = 623,487,851,781,359,360/1,224,711,266.70
  6. Step 6: Final answer
    x = 509,089,667.69

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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.