Home / 3,128,766,218.44-4,316,629,530.66-1,938,901,041.80

Finding the Fourth Proportional to 3,128,766,218.44, 4,316,629,530.66 and 1,938,901,041.80

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Solution

The fourth proportional to 3,128,766,218.44, 4,316,629,530.66 and 1,938,901,041.80 is: 2,675,021,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,766,218.44 : 4,316,629,530.66 = 1,938,901,041.80 : x
  2. Step 2: Convert to fraction form
    3,128,766,218.44/4,316,629,530.66 = 1,938,901,041.80/x
  3. Step 3: Cross multiply
    3,128,766,218.44x = 4,316,629,530.66 × 1,938,901,041.80
  4. Step 4: Simplify right side
    3,128,766,218.44x = 8,369,517,494,061,318,144
  5. Step 5: Solve for x
    x = 8,369,517,494,061,318,144/3,128,766,218.44
  6. Step 6: Final answer
    x = 2,675,021,688.98

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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.