Home / 314,928,269.20-472,392,403.80-263,909,933.20

Finding the Fourth Proportional to 314,928,269.20, 472,392,403.80 and 263,909,933.20

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Solution

The fourth proportional to 314,928,269.20, 472,392,403.80 and 263,909,933.20 is: 395,864,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,269.20 : 472,392,403.80 = 263,909,933.20 : x
  2. Step 2: Convert to fraction form
    314,928,269.20/472,392,403.80 = 263,909,933.20/x
  3. Step 3: Cross multiply
    314,928,269.20x = 472,392,403.80 × 263,909,933.20
  4. Step 4: Simplify right side
    314,928,269.20x = 124,669,047,731,045,424
  5. Step 5: Solve for x
    x = 124,669,047,731,045,424/314,928,269.20
  6. Step 6: Final answer
    x = 395,864,899.80

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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.