Home / 1,113,729,409.77-1,669,555,552.89-376,283,589.15

Finding the Fourth Proportional to 1,113,729,409.77, 1,669,555,552.89 and 376,283,589.15

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Solution

The fourth proportional to 1,113,729,409.77, 1,669,555,552.89 and 376,283,589.15 is: 564,074,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,729,409.77 : 1,669,555,552.89 = 376,283,589.15 : x
  2. Step 2: Convert to fraction form
    1,113,729,409.77/1,669,555,552.89 = 376,283,589.15/x
  3. Step 3: Cross multiply
    1,113,729,409.77x = 1,669,555,552.89 × 376,283,589.15
  4. Step 4: Simplify right side
    1,113,729,409.77x = 628,226,355,727,072,768
  5. Step 5: Solve for x
    x = 628,226,355,727,072,768/1,113,729,409.77
  6. Step 6: Final answer
    x = 564,074,496.21

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Double scale
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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.