Home / 996,659,872.40-1,494,989,808.60-478,965,479.60

Finding the Fourth Proportional to 996,659,872.40, 1,494,989,808.60 and 478,965,479.60

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Solution

The fourth proportional to 996,659,872.40, 1,494,989,808.60 and 478,965,479.60 is: 718,448,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,659,872.40 : 1,494,989,808.60 = 478,965,479.60 : x
  2. Step 2: Convert to fraction form
    996,659,872.40/1,494,989,808.60 = 478,965,479.60/x
  3. Step 3: Cross multiply
    996,659,872.40x = 1,494,989,808.60 × 478,965,479.60
  4. Step 4: Simplify right side
    996,659,872.40x = 716,048,510,673,211,136
  5. Step 5: Solve for x
    x = 716,048,510,673,211,136/996,659,872.40
  6. Step 6: Final answer
    x = 718,448,219.40

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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.