Home / 1,328,670,051.60-1,992,994,579.80-346,094,691.60

Finding the Fourth Proportional to 1,328,670,051.60, 1,992,994,579.80 and 346,094,691.60

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Solution

The fourth proportional to 1,328,670,051.60, 1,992,994,579.80 and 346,094,691.60 is: 519,139,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,670,051.60 : 1,992,994,579.80 = 346,094,691.60 : x
  2. Step 2: Convert to fraction form
    1,328,670,051.60/1,992,994,579.80 = 346,094,691.60/x
  3. Step 3: Cross multiply
    1,328,670,051.60x = 1,992,994,579.80 × 346,094,691.60
  4. Step 4: Simplify right side
    1,328,670,051.60x = 689,764,844,456,352,640
  5. Step 5: Solve for x
    x = 689,764,844,456,352,640/1,328,670,051.60
  6. Step 6: Final answer
    x = 519,139,302.96

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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.