Home / 777,213,525.60-1,165,073,792.40-449,352,482.40

Finding the Fourth Proportional to 777,213,525.60, 1,165,073,792.40 and 449,352,482.40

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Solution

The fourth proportional to 777,213,525.60, 1,165,073,792.40 and 449,352,482.40 is: 673,597,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,213,525.60 : 1,165,073,792.40 = 449,352,482.40 : x
  2. Step 2: Convert to fraction form
    777,213,525.60/1,165,073,792.40 = 449,352,482.40/x
  3. Step 3: Cross multiply
    777,213,525.60x = 1,165,073,792.40 × 449,352,482.40
  4. Step 4: Simplify right side
    777,213,525.60x = 523,528,800,794,122,240
  5. Step 5: Solve for x
    x = 523,528,800,794,122,240/777,213,525.60
  6. Step 6: Final answer
    x = 673,597,130.71

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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.