Finding the Fourth Proportional to 9,980,757,310.80, 14,971,135,966.20 and 2,620,512,037.20
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Solution
The fourth proportional to 9,980,757,310.80, 14,971,135,966.20 and 2,620,512,037.20 is: 3,930,768,055.80
Step by Step Solution
- Step 1: Write the proportion equation
9,980,757,310.80 : 14,971,135,966.20 = 2,620,512,037.20 : x - Step 2: Convert to fraction form
9,980,757,310.80/14,971,135,966.20 = 2,620,512,037.20/x - Step 3: Cross multiply
9,980,757,310.80x = 14,971,135,966.20 × 2,620,512,037.20 - Step 4: Simplify right side
9,980,757,310.80x = 39,232,042,009,984,950,272 - Step 5: Solve for x
x = 39,232,042,009,984,950,272/9,980,757,310.80 - Step 6: Final answer
x = 3,930,768,055.80
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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.