Home / 772,662,194.42-1,066,551,179.81-459,395,661.05

Finding the Fourth Proportional to 772,662,194.42, 1,066,551,179.81 and 459,395,661.05

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Solution

The fourth proportional to 772,662,194.42, 1,066,551,179.81 and 459,395,661.05 is: 634,130,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,662,194.42 : 1,066,551,179.81 = 459,395,661.05 : x
  2. Step 2: Convert to fraction form
    772,662,194.42/1,066,551,179.81 = 459,395,661.05/x
  3. Step 3: Cross multiply
    772,662,194.42x = 1,066,551,179.81 × 459,395,661.05
  4. Step 4: Simplify right side
    772,662,194.42x = 489,968,984,296,287,232
  5. Step 5: Solve for x
    x = 489,968,984,296,287,232/772,662,194.42
  6. Step 6: Final answer
    x = 634,130,914.95

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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.