Finding the Fourth Proportional to 12,746,430,803.60, 17,590,129,195.07 and 6,952,860,464.97
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Solution
The fourth proportional to 12,746,430,803.60, 17,590,129,195.07 and 6,952,860,464.97 is: 9,594,977,271.57
Step by Step Solution
- Step 1: Write the proportion equation
12,746,430,803.60 : 17,590,129,195.07 = 6,952,860,464.97 : x - Step 2: Convert to fraction form
12,746,430,803.60/17,590,129,195.07 = 6,952,860,464.97/x - Step 3: Cross multiply
12,746,430,803.60x = 17,590,129,195.07 × 6,952,860,464.97 - Step 4: Simplify right side
12,746,430,803.60x = 122,301,713,854,137,647,104 - Step 5: Solve for x
x = 122,301,713,854,137,647,104/12,746,430,803.60 - Step 6: Final answer
x = 9,594,977,271.57
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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.