Home / 263,826,006.80-395,739,010.20-221,499,683.60

Finding the Fourth Proportional to 263,826,006.80, 395,739,010.20 and 221,499,683.60

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Solution

The fourth proportional to 263,826,006.80, 395,739,010.20 and 221,499,683.60 is: 332,249,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,826,006.80 : 395,739,010.20 = 221,499,683.60 : x
  2. Step 2: Convert to fraction form
    263,826,006.80/395,739,010.20 = 221,499,683.60/x
  3. Step 3: Cross multiply
    263,826,006.80x = 395,739,010.20 × 221,499,683.60
  4. Step 4: Simplify right side
    263,826,006.80x = 87,656,065,547,477,168
  5. Step 5: Solve for x
    x = 87,656,065,547,477,168/263,826,006.80
  6. Step 6: Final answer
    x = 332,249,525.40

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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.