Home / 1,135,075,953.20-1,566,404,122.57-613,555,185.20

Finding the Fourth Proportional to 1,135,075,953.20, 1,566,404,122.57 and 613,555,185.20

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Solution

The fourth proportional to 1,135,075,953.20, 1,566,404,122.57 and 613,555,185.20 is: 846,705,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,075,953.20 : 1,566,404,122.57 = 613,555,185.20 : x
  2. Step 2: Convert to fraction form
    1,135,075,953.20/1,566,404,122.57 = 613,555,185.20/x
  3. Step 3: Cross multiply
    1,135,075,953.20x = 1,566,404,122.57 × 613,555,185.20
  4. Step 4: Simplify right side
    1,135,075,953.20x = 961,075,371,512,114,048
  5. Step 5: Solve for x
    x = 961,075,371,512,114,048/1,135,075,953.20
  6. Step 6: Final answer
    x = 846,705,781.06

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Double scale
Find fourth proportional to 1,135,075,954.20, 1,566,404,123.95 and 613,555,186.20
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1.5x scale

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.