Finding the Fourth Proportional to 2,586,918,028.80, 3,880,943,913.60 and 1,277,447,404.80
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Solution
The fourth proportional to 2,586,918,028.80, 3,880,943,913.60 and 1,277,447,404.80 is: 1,916,451,033.78
Step by Step Solution
- Step 1: Write the proportion equation
2,586,918,028.80 : 3,880,943,913.60 = 1,277,447,404.80 : x - Step 2: Convert to fraction form
2,586,918,028.80/3,880,943,913.60 = 1,277,447,404.80/x - Step 3: Cross multiply
2,586,918,028.80x = 3,880,943,913.60 × 1,277,447,404.80 - Step 4: Simplify right side
2,586,918,028.80x = 4,957,701,730,602,675,200 - Step 5: Solve for x
x = 4,957,701,730,602,675,200/2,586,918,028.80 - Step 6: Final answer
x = 1,916,451,033.78
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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.