Home / 7,881,458,066.51-10,876,405,104.95-4,448,878,897.83

Finding the Fourth Proportional to 7,881,458,066.51, 10,876,405,104.95 and 4,448,878,897.83

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Solution

The fourth proportional to 7,881,458,066.51, 10,876,405,104.95 and 4,448,878,897.83 is: 6,139,448,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,458,066.51 : 10,876,405,104.95 = 4,448,878,897.83 : x
  2. Step 2: Convert to fraction form
    7,881,458,066.51/10,876,405,104.95 = 4,448,878,897.83/x
  3. Step 3: Cross multiply
    7,881,458,066.51x = 10,876,405,104.95 × 4,448,878,897.83
  4. Step 4: Simplify right side
    7,881,458,066.51x = 48,387,809,155,585,908,736
  5. Step 5: Solve for x
    x = 48,387,809,155,585,908,736/7,881,458,066.51
  6. Step 6: Final answer
    x = 6,139,448,912.53

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1.5x scale

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.