Home / 1,328,669,942.60-1,992,994,416.30-346,094,582.60

Finding the Fourth Proportional to 1,328,669,942.60, 1,992,994,416.30 and 346,094,582.60

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Solution

The fourth proportional to 1,328,669,942.60, 1,992,994,416.30 and 346,094,582.60 is: 519,139,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,669,942.60 : 1,992,994,416.30 = 346,094,582.60 : x
  2. Step 2: Convert to fraction form
    1,328,669,942.60/1,992,994,416.30 = 346,094,582.60/x
  3. Step 3: Cross multiply
    1,328,669,942.60x = 1,992,994,416.30 × 346,094,582.60
  4. Step 4: Simplify right side
    1,328,669,942.60x = 689,764,570,633,479,168
  5. Step 5: Solve for x
    x = 689,764,570,633,479,168/1,328,669,942.60
  6. Step 6: Final answer
    x = 519,139,139.46

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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.