Home / 513,217,085.10-769,825,627.65-240,615,408.30

Finding the Fourth Proportional to 513,217,085.10, 769,825,627.65 and 240,615,408.30

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Solution

The fourth proportional to 513,217,085.10, 769,825,627.65 and 240,615,408.30 is: 360,923,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,217,085.10 : 769,825,627.65 = 240,615,408.30 : x
  2. Step 2: Convert to fraction form
    513,217,085.10/769,825,627.65 = 240,615,408.30/x
  3. Step 3: Cross multiply
    513,217,085.10x = 769,825,627.65 × 240,615,408.30
  4. Step 4: Simplify right side
    513,217,085.10x = 185,231,907,716,808,512
  5. Step 5: Solve for x
    x = 185,231,907,716,808,512/513,217,085.10
  6. Step 6: Final answer
    x = 360,923,112.45

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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.