Home / 2,771,038,310.40-3,820,968,408.96-1,765,863,561.60

Finding the Fourth Proportional to 2,771,038,310.40, 3,820,968,408.96 and 1,765,863,561.60

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Solution

The fourth proportional to 2,771,038,310.40, 3,820,968,408.96 and 1,765,863,561.60 is: 2,434,938,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771,038,310.40 : 3,820,968,408.96 = 1,765,863,561.60 : x
  2. Step 2: Convert to fraction form
    2,771,038,310.40/3,820,968,408.96 = 1,765,863,561.60/x
  3. Step 3: Cross multiply
    2,771,038,310.40x = 3,820,968,408.96 × 1,765,863,561.60
  4. Step 4: Simplify right side
    2,771,038,310.40x = 6,747,308,883,407,191,040
  5. Step 5: Solve for x
    x = 6,747,308,883,407,191,040/2,771,038,310.40
  6. Step 6: Final answer
    x = 2,434,938,866.81

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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.