Home / 263,815,547.60-395,723,321.40-127,766,651.60

Finding the Fourth Proportional to 263,815,547.60, 395,723,321.40 and 127,766,651.60

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Solution

The fourth proportional to 263,815,547.60, 395,723,321.40 and 127,766,651.60 is: 191,649,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,815,547.60 : 395,723,321.40 = 127,766,651.60 : x
  2. Step 2: Convert to fraction form
    263,815,547.60/395,723,321.40 = 127,766,651.60/x
  3. Step 3: Cross multiply
    263,815,547.60x = 395,723,321.40 × 127,766,651.60
  4. Step 4: Simplify right side
    263,815,547.60x = 50,560,243,735,308,616
  5. Step 5: Solve for x
    x = 50,560,243,735,308,616/263,815,547.60
  6. Step 6: Final answer
    x = 191,649,977.40

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1.5x scale

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.