Home / 1,135,075,948.57-1,566,404,116.19-613,555,180.57

Finding the Fourth Proportional to 1,135,075,948.57, 1,566,404,116.19 and 613,555,180.57

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Solution

The fourth proportional to 1,135,075,948.57, 1,566,404,116.19 and 613,555,180.57 is: 846,705,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,075,948.57 : 1,566,404,116.19 = 613,555,180.57 : x
  2. Step 2: Convert to fraction form
    1,135,075,948.57/1,566,404,116.19 = 613,555,180.57/x
  3. Step 3: Cross multiply
    1,135,075,948.57x = 1,566,404,116.19 × 613,555,180.57
  4. Step 4: Simplify right side
    1,135,075,948.57x = 961,075,360,354,546,816
  5. Step 5: Solve for x
    x = 961,075,360,354,546,816/1,135,075,948.57
  6. Step 6: Final answer
    x = 846,705,774.68

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Double scale
Find fourth proportional to 1,135,075,949.57, 1,566,404,117.57 and 613,555,181.57
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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.