Home / 1,012,989,436.58-1,397,969,112.38-560,867,400.04

Finding the Fourth Proportional to 1,012,989,436.58, 1,397,969,112.38 and 560,867,400.04

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Solution

The fourth proportional to 1,012,989,436.58, 1,397,969,112.38 and 560,867,400.04 is: 774,021,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,989,436.58 : 1,397,969,112.38 = 560,867,400.04 : x
  2. Step 2: Convert to fraction form
    1,012,989,436.58/1,397,969,112.38 = 560,867,400.04/x
  3. Step 3: Cross multiply
    1,012,989,436.58x = 1,397,969,112.38 × 560,867,400.04
  4. Step 4: Simplify right side
    1,012,989,436.58x = 784,075,301,396,797,184
  5. Step 5: Solve for x
    x = 784,075,301,396,797,184/1,012,989,436.58
  6. Step 6: Final answer
    x = 774,021,202.08

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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.