Home / 535,768,010.40-803,652,015.60-263,313,559.20

Finding the Fourth Proportional to 535,768,010.40, 803,652,015.60 and 263,313,559.20

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Solution

The fourth proportional to 535,768,010.40, 803,652,015.60 and 263,313,559.20 is: 394,970,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,768,010.40 : 803,652,015.60 = 263,313,559.20 : x
  2. Step 2: Convert to fraction form
    535,768,010.40/803,652,015.60 = 263,313,559.20/x
  3. Step 3: Cross multiply
    535,768,010.40x = 803,652,015.60 × 263,313,559.20
  4. Step 4: Simplify right side
    535,768,010.40x = 211,612,472,585,889,920
  5. Step 5: Solve for x
    x = 211,612,472,585,889,920/535,768,010.40
  6. Step 6: Final answer
    x = 394,970,338.80

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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.