Home / 772,662,195.73-1,066,551,181.63-459,395,662.37

Finding the Fourth Proportional to 772,662,195.73, 1,066,551,181.63 and 459,395,662.37

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Solution

The fourth proportional to 772,662,195.73, 1,066,551,181.63 and 459,395,662.37 is: 634,130,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,662,195.73 : 1,066,551,181.63 = 459,395,662.37 : x
  2. Step 2: Convert to fraction form
    772,662,195.73/1,066,551,181.63 = 459,395,662.37/x
  3. Step 3: Cross multiply
    772,662,195.73x = 1,066,551,181.63 × 459,395,662.37
  4. Step 4: Simplify right side
    772,662,195.73x = 489,968,986,529,938,816
  5. Step 5: Solve for x
    x = 489,968,986,529,938,816/772,662,195.73
  6. Step 6: Final answer
    x = 634,130,916.77

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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.