Home / 1,238,135,190.03-1,707,975,334.44-735,986,802.42

Finding the Fourth Proportional to 1,238,135,190.03, 1,707,975,334.44 and 735,986,802.42

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Solution

The fourth proportional to 1,238,135,190.03, 1,707,975,334.44 and 735,986,802.42 is: 1,015,274,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,135,190.03 : 1,707,975,334.44 = 735,986,802.42 : x
  2. Step 2: Convert to fraction form
    1,238,135,190.03/1,707,975,334.44 = 735,986,802.42/x
  3. Step 3: Cross multiply
    1,238,135,190.03x = 1,707,975,334.44 × 735,986,802.42
  4. Step 4: Simplify right side
    1,238,135,190.03x = 1,257,047,305,006,725,632
  5. Step 5: Solve for x
    x = 1,257,047,305,006,725,632/1,238,135,190.03
  6. Step 6: Final answer
    x = 1,015,274,676.89

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Double scale
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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.