Home / 1,396,325,291.81-2,093,857,638.84-400,118,459.91

Finding the Fourth Proportional to 1,396,325,291.81, 2,093,857,638.84 and 400,118,459.91

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Solution

The fourth proportional to 1,396,325,291.81, 2,093,857,638.84 and 400,118,459.91 is: 599,997,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,325,291.81 : 2,093,857,638.84 = 400,118,459.91 : x
  2. Step 2: Convert to fraction form
    1,396,325,291.81/2,093,857,638.84 = 400,118,459.91/x
  3. Step 3: Cross multiply
    1,396,325,291.81x = 2,093,857,638.84 × 400,118,459.91
  4. Step 4: Simplify right side
    1,396,325,291.81x = 837,791,093,723,449,856
  5. Step 5: Solve for x
    x = 837,791,093,723,449,856/1,396,325,291.81
  6. Step 6: Final answer
    x = 599,997,077.07

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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.