Home / 808,751,968,005.25-1,116,112,798,924.90-447,869,782,501.72

Finding the Fourth Proportional to 808,751,968,005.25, 1,116,112,798,924.90 and 447,869,782,501.72

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Solution

The fourth proportional to 808,751,968,005.25, 1,116,112,798,924.90 and 447,869,782,501.72 is: 618,079,728,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,751,968,005.25 : 1,116,112,798,924.90 = 447,869,782,501.72 : x
  2. Step 2: Convert to fraction form
    808,751,968,005.25/1,116,112,798,924.90 = 447,869,782,501.72/x
  3. Step 3: Cross multiply
    808,751,968,005.25x = 1,116,112,798,924.90 × 447,869,782,501.72
  4. Step 4: Simplify right side
    808,751,968,005.25x = 499,873,196,501,880,855,855,104
  5. Step 5: Solve for x
    x = 499,873,196,501,880,855,855,104/808,751,968,005.25
  6. Step 6: Final answer
    x = 618,079,728,120.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.