Home / 682,030,752.75-1,023,039,308.72-215,692,256.16

Finding the Fourth Proportional to 682,030,752.75, 1,023,039,308.72 and 215,692,256.16

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Solution

The fourth proportional to 682,030,752.75, 1,023,039,308.72 and 215,692,256.16 is: 323,536,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,030,752.75 : 1,023,039,308.72 = 215,692,256.16 : x
  2. Step 2: Convert to fraction form
    682,030,752.75/1,023,039,308.72 = 215,692,256.16/x
  3. Step 3: Cross multiply
    682,030,752.75x = 1,023,039,308.72 × 215,692,256.16
  4. Step 4: Simplify right side
    682,030,752.75x = 220,661,656,638,722,784
  5. Step 5: Solve for x
    x = 220,661,656,638,722,784/682,030,752.75
  6. Step 6: Final answer
    x = 323,536,227.29

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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.