Home / 255,528,321.20-383,292,481.80-140,468,404.40

Finding the Fourth Proportional to 255,528,321.20, 383,292,481.80 and 140,468,404.40

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Solution

The fourth proportional to 255,528,321.20, 383,292,481.80 and 140,468,404.40 is: 210,702,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,528,321.20 : 383,292,481.80 = 140,468,404.40 : x
  2. Step 2: Convert to fraction form
    255,528,321.20/383,292,481.80 = 140,468,404.40/x
  3. Step 3: Cross multiply
    255,528,321.20x = 383,292,481.80 × 140,468,404.40
  4. Step 4: Simplify right side
    255,528,321.20x = 53,840,483,336,962,040
  5. Step 5: Solve for x
    x = 53,840,483,336,962,040/255,528,321.20
  6. Step 6: Final answer
    x = 210,702,606.60

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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.