Home / 85,019,801,845.65-117,326,629,287.18-46,438,746,327.97

Finding the Fourth Proportional to 85,019,801,845.65, 117,326,629,287.18 and 46,438,746,327.97

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Solution

The fourth proportional to 85,019,801,845.65, 117,326,629,287.18 and 46,438,746,327.97 is: 64,085,089,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,019,801,845.65 : 117,326,629,287.18 = 46,438,746,327.97 : x
  2. Step 2: Convert to fraction form
    85,019,801,845.65/117,326,629,287.18 = 46,438,746,327.97/x
  3. Step 3: Cross multiply
    85,019,801,845.65x = 117,326,629,287.18 × 46,438,746,327.97
  4. Step 4: Simplify right side
    85,019,801,845.65x = 5,448,501,574,982,775,603,200
  5. Step 5: Solve for x
    x = 5,448,501,574,982,775,603,200/85,019,801,845.65
  6. Step 6: Final answer
    x = 64,085,089,081.65

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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.