Home / 808,751,968,139.85-1,116,112,799,110.80-447,869,782,636.30

Finding the Fourth Proportional to 808,751,968,139.85, 1,116,112,799,110.80 and 447,869,782,636.30

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Solution

The fourth proportional to 808,751,968,139.85, 1,116,112,799,110.80 and 447,869,782,636.30 is: 618,079,728,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,751,968,139.85 : 1,116,112,799,110.80 = 447,869,782,636.30 : x
  2. Step 2: Convert to fraction form
    808,751,968,139.85/1,116,112,799,110.80 = 447,869,782,636.30/x
  3. Step 3: Cross multiply
    808,751,968,139.85x = 1,116,112,799,110.80 × 447,869,782,636.30
  4. Step 4: Simplify right side
    808,751,968,139.85x = 499,873,196,735,346,352,586,752
  5. Step 5: Solve for x
    x = 499,873,196,735,346,352,586,752/808,751,968,139.85
  6. Step 6: Final answer
    x = 618,079,728,306.65

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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.