Home / 3,868,243,127.36-5,338,143,426.46-2,174,705,321.15

Finding the Fourth Proportional to 3,868,243,127.36, 5,338,143,426.46 and 2,174,705,321.15

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Solution

The fourth proportional to 3,868,243,127.36, 5,338,143,426.46 and 2,174,705,321.15 is: 3,001,075,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,243,127.36 : 5,338,143,426.46 = 2,174,705,321.15 : x
  2. Step 2: Convert to fraction form
    3,868,243,127.36/5,338,143,426.46 = 2,174,705,321.15/x
  3. Step 3: Cross multiply
    3,868,243,127.36x = 5,338,143,426.46 × 2,174,705,321.15
  4. Step 4: Simplify right side
    3,868,243,127.36x = 11,608,888,914,584,457,216
  5. Step 5: Solve for x
    x = 11,608,888,914,584,457,216/3,868,243,127.36
  6. Step 6: Final answer
    x = 3,001,075,302.76

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Double scale
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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.