Home / 382,793,407.20-574,190,110.80-362,638,015.20

Finding the Fourth Proportional to 382,793,407.20, 574,190,110.80 and 362,638,015.20

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Solution

The fourth proportional to 382,793,407.20, 574,190,110.80 and 362,638,015.20 is: 543,957,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,793,407.20 : 574,190,110.80 = 362,638,015.20 : x
  2. Step 2: Convert to fraction form
    382,793,407.20/574,190,110.80 = 362,638,015.20/x
  3. Step 3: Cross multiply
    382,793,407.20x = 574,190,110.80 × 362,638,015.20
  4. Step 4: Simplify right side
    382,793,407.20x = 208,223,162,127,980,064
  5. Step 5: Solve for x
    x = 208,223,162,127,980,064/382,793,407.20
  6. Step 6: Final answer
    x = 543,957,022.80

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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.