Finding the Fourth Proportional to 3,918,702,315.24, 5,878,392,067.08 and 1,082,495,583.54
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Solution
The fourth proportional to 3,918,702,315.24, 5,878,392,067.08 and 1,082,495,583.54 is: 1,623,836,907.99
Step by Step Solution
- Step 1: Write the proportion equation
3,918,702,315.24 : 5,878,392,067.08 = 1,082,495,583.54 : x - Step 2: Convert to fraction form
3,918,702,315.24/5,878,392,067.08 = 1,082,495,583.54/x - Step 3: Cross multiply
3,918,702,315.24x = 5,878,392,067.08 × 1,082,495,583.54 - Step 4: Simplify right side
3,918,702,315.24x = 6,363,333,450,930,671,616 - Step 5: Solve for x
x = 6,363,333,450,930,671,616/3,918,702,315.24 - Step 6: Final answer
x = 1,623,836,907.99
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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.