Home / 1,424,952,431.80-2,137,428,647.70-851,643,503.80

Finding the Fourth Proportional to 1,424,952,431.80, 2,137,428,647.70 and 851,643,503.80

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Solution

The fourth proportional to 1,424,952,431.80, 2,137,428,647.70 and 851,643,503.80 is: 1,277,465,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,952,431.80 : 2,137,428,647.70 = 851,643,503.80 : x
  2. Step 2: Convert to fraction form
    1,424,952,431.80/2,137,428,647.70 = 851,643,503.80/x
  3. Step 3: Cross multiply
    1,424,952,431.80x = 2,137,428,647.70 × 851,643,503.80
  4. Step 4: Simplify right side
    1,424,952,431.80x = 1,820,327,222,649,723,648
  5. Step 5: Solve for x
    x = 1,820,327,222,649,723,648/1,424,952,431.80
  6. Step 6: Final answer
    x = 1,277,465,255.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.