Home / 756,975,918.80-1,135,463,878.20-739,969,806.80

Finding the Fourth Proportional to 756,975,918.80, 1,135,463,878.20 and 739,969,806.80

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Solution

The fourth proportional to 756,975,918.80, 1,135,463,878.20 and 739,969,806.80 is: 1,109,954,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,975,918.80 : 1,135,463,878.20 = 739,969,806.80 : x
  2. Step 2: Convert to fraction form
    756,975,918.80/1,135,463,878.20 = 739,969,806.80/x
  3. Step 3: Cross multiply
    756,975,918.80x = 1,135,463,878.20 × 739,969,806.80
  4. Step 4: Simplify right side
    756,975,918.80x = 840,208,986,580,032,768
  5. Step 5: Solve for x
    x = 840,208,986,580,032,768/756,975,918.80
  6. Step 6: Final answer
    x = 1,109,954,710.20

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Similar ratio
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1.5x scale

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.