Home / 1,543,693,568.49-2,130,295,503.83-838,843,873.11

Finding the Fourth Proportional to 1,543,693,568.49, 2,130,295,503.83 and 838,843,873.11

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Solution

The fourth proportional to 1,543,693,568.49, 2,130,295,503.83 and 838,843,873.11 is: 1,157,603,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,693,568.49 : 2,130,295,503.83 = 838,843,873.11 : x
  2. Step 2: Convert to fraction form
    1,543,693,568.49/2,130,295,503.83 = 838,843,873.11/x
  3. Step 3: Cross multiply
    1,543,693,568.49x = 2,130,295,503.83 × 838,843,873.11
  4. Step 4: Simplify right side
    1,543,693,568.49x = 1,786,985,331,297,381,888
  5. Step 5: Solve for x
    x = 1,786,985,331,297,381,888/1,543,693,568.49
  6. Step 6: Final answer
    x = 1,157,603,664.21

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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.