Home / 821,245,511-1,133,039,802.28-468,568,141.40

Finding the Fourth Proportional to 821,245,511, 1,133,039,802.28 and 468,568,141.40

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Solution

The fourth proportional to 821,245,511, 1,133,039,802.28 and 468,568,141.40 is: 646,464,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,245,511 : 1,133,039,802.28 = 468,568,141.40 : x
  2. Step 2: Convert to fraction form
    821,245,511/1,133,039,802.28 = 468,568,141.40/x
  3. Step 3: Cross multiply
    821,245,511x = 1,133,039,802.28 × 468,568,141.40
  4. Step 4: Simplify right side
    821,245,511x = 530,906,354,286,563,072
  5. Step 5: Solve for x
    x = 530,906,354,286,563,072/821,245,511
  6. Step 6: Final answer
    x = 646,464,847.81

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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.