Home / 2,659,395,741.60-3,989,093,612.40-1,788,682,807.20

Finding the Fourth Proportional to 2,659,395,741.60, 3,989,093,612.40 and 1,788,682,807.20

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Solution

The fourth proportional to 2,659,395,741.60, 3,989,093,612.40 and 1,788,682,807.20 is: 2,683,024,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,395,741.60 : 3,989,093,612.40 = 1,788,682,807.20 : x
  2. Step 2: Convert to fraction form
    2,659,395,741.60/3,989,093,612.40 = 1,788,682,807.20/x
  3. Step 3: Cross multiply
    2,659,395,741.60x = 3,989,093,612.40 × 1,788,682,807.20
  4. Step 4: Simplify right side
    2,659,395,741.60x = 7,135,223,160,811,220,992
  5. Step 5: Solve for x
    x = 7,135,223,160,811,220,992/2,659,395,741.60
  6. Step 6: Final answer
    x = 2,683,024,210.80

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Double scale
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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.