Finding the Fourth Proportional to 6,454,511,596.36, 8,911,338,625.38 and 5,267,911,017.40
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Solution
The fourth proportional to 6,454,511,596.36, 8,911,338,625.38 and 5,267,911,017.40 is: 7,273,073,759.89
Step by Step Solution
- Step 1: Write the proportion equation
6,454,511,596.36 : 8,911,338,625.38 = 5,267,911,017.40 : x - Step 2: Convert to fraction form
6,454,511,596.36/8,911,338,625.38 = 5,267,911,017.40/x - Step 3: Cross multiply
6,454,511,596.36x = 8,911,338,625.38 × 5,267,911,017.40 - Step 4: Simplify right side
6,454,511,596.36x = 46,944,138,924,421,464,064 - Step 5: Solve for x
x = 46,944,138,924,421,464,064/6,454,511,596.36 - Step 6: Final answer
x = 7,273,073,759.89
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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.