Home / 772,662,202.75-1,066,551,191.30-459,395,669.37

Finding the Fourth Proportional to 772,662,202.75, 1,066,551,191.30 and 459,395,669.37

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Solution

The fourth proportional to 772,662,202.75, 1,066,551,191.30 and 459,395,669.37 is: 634,130,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,662,202.75 : 1,066,551,191.30 = 459,395,669.37 : x
  2. Step 2: Convert to fraction form
    772,662,202.75/1,066,551,191.30 = 459,395,669.37/x
  3. Step 3: Cross multiply
    772,662,202.75x = 1,066,551,191.30 × 459,395,669.37
  4. Step 4: Simplify right side
    772,662,202.75x = 489,968,998,444,634,432
  5. Step 5: Solve for x
    x = 489,968,998,444,634,432/772,662,202.75
  6. Step 6: Final answer
    x = 634,130,926.43

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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.