Home / 991,410,118,078-1,487,794,470,429.80-346,015,745,012.60

Finding the Fourth Proportional to 991,410,118,078, 1,487,794,470,429.80 and 346,015,745,012.60

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Solution

The fourth proportional to 991,410,118,078, 1,487,794,470,429.80 and 346,015,745,012.60 is: 519,260,700,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,410,118,078 : 1,487,794,470,429.80 = 346,015,745,012.60 : x
  2. Step 2: Convert to fraction form
    991,410,118,078/1,487,794,470,429.80 = 346,015,745,012.60/x
  3. Step 3: Cross multiply
    991,410,118,078x = 1,487,794,470,429.80 × 346,015,745,012.60
  4. Step 4: Simplify right side
    991,410,118,078x = 514,800,312,111,393,874,640,896
  5. Step 5: Solve for x
    x = 514,800,312,111,393,874,640,896/991,410,118,078
  6. Step 6: Final answer
    x = 519,260,700,212.96

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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.