Home / 561,445,199.26-774,742,379.15-310,544,191.26

Finding the Fourth Proportional to 561,445,199.26, 774,742,379.15 and 310,544,191.26

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Solution

The fourth proportional to 561,445,199.26, 774,742,379.15 and 310,544,191.26 is: 428,522,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,445,199.26 : 774,742,379.15 = 310,544,191.26 : x
  2. Step 2: Convert to fraction form
    561,445,199.26/774,742,379.15 = 310,544,191.26/x
  3. Step 3: Cross multiply
    561,445,199.26x = 774,742,379.15 × 310,544,191.26
  4. Step 4: Simplify right side
    561,445,199.26x = 240,591,745,568,761,408
  5. Step 5: Solve for x
    x = 240,591,745,568,761,408/561,445,199.26
  6. Step 6: Final answer
    x = 428,522,224.23

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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.