Home / 769,824,457.60-1,154,736,686.40-195,395,785.60

Finding the Fourth Proportional to 769,824,457.60, 1,154,736,686.40 and 195,395,785.60

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Solution

The fourth proportional to 769,824,457.60, 1,154,736,686.40 and 195,395,785.60 is: 293,093,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824,457.60 : 1,154,736,686.40 = 195,395,785.60 : x
  2. Step 2: Convert to fraction form
    769,824,457.60/1,154,736,686.40 = 195,395,785.60/x
  3. Step 3: Cross multiply
    769,824,457.60x = 1,154,736,686.40 × 195,395,785.60
  4. Step 4: Simplify right side
    769,824,457.60x = 225,630,682,000,268,832
  5. Step 5: Solve for x
    x = 225,630,682,000,268,832/769,824,457.60
  6. Step 6: Final answer
    x = 293,093,678.40

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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.