Home / 1,358,395,396.28-1,874,574,378.20-763,682,531.56

Finding the Fourth Proportional to 1,358,395,396.28, 1,874,574,378.20 and 763,682,531.56

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Solution

The fourth proportional to 1,358,395,396.28, 1,874,574,378.20 and 763,682,531.56 is: 1,053,875,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,395,396.28 : 1,874,574,378.20 = 763,682,531.56 : x
  2. Step 2: Convert to fraction form
    1,358,395,396.28/1,874,574,378.20 = 763,682,531.56/x
  3. Step 3: Cross multiply
    1,358,395,396.28x = 1,874,574,378.20 × 763,682,531.56
  4. Step 4: Simplify right side
    1,358,395,396.28x = 1,431,579,706,741,288,704
  5. Step 5: Solve for x
    x = 1,431,579,706,741,288,704/1,358,395,396.28
  6. Step 6: Final answer
    x = 1,053,875,558.37

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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.