Home / 1,006,806,839.16-1,389,463,268.36-610,346,538.76

Finding the Fourth Proportional to 1,006,806,839.16, 1,389,463,268.36 and 610,346,538.76

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Solution

The fourth proportional to 1,006,806,839.16, 1,389,463,268.36 and 610,346,538.76 is: 842,320,556.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,806,839.16 : 1,389,463,268.36 = 610,346,538.76 : x
  2. Step 2: Convert to fraction form
    1,006,806,839.16/1,389,463,268.36 = 610,346,538.76/x
  3. Step 3: Cross multiply
    1,006,806,839.16x = 1,389,463,268.36 × 610,346,538.76
  4. Step 4: Simplify right side
    1,006,806,839.16x = 848,054,096,577,682,944
  5. Step 5: Solve for x
    x = 848,054,096,577,682,944/1,006,806,839.16
  6. Step 6: Final answer
    x = 842,320,556.03

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Half scale
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Double scale
Find fourth proportional to 1,006,806,840.16, 1,389,463,269.74 and 610,346,539.76
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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.