Home / 808,751,968,140.25-1,116,112,799,111.20-447,869,782,636.71

Finding the Fourth Proportional to 808,751,968,140.25, 1,116,112,799,111.20 and 447,869,782,636.71

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Solution

The fourth proportional to 808,751,968,140.25, 1,116,112,799,111.20 and 447,869,782,636.71 is: 618,079,728,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,751,968,140.25 : 1,116,112,799,111.20 = 447,869,782,636.71 : x
  2. Step 2: Convert to fraction form
    808,751,968,140.25/1,116,112,799,111.20 = 447,869,782,636.71/x
  3. Step 3: Cross multiply
    808,751,968,140.25x = 1,116,112,799,111.20 × 447,869,782,636.71
  4. Step 4: Simplify right side
    808,751,968,140.25x = 499,873,196,735,983,148,597,248
  5. Step 5: Solve for x
    x = 499,873,196,735,983,148,597,248/808,751,968,140.25
  6. Step 6: Final answer
    x = 618,079,728,307.13

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Double scale
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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.