Finding the Fourth Proportional to 4,424,985,087.60, 6,637,477,631.40 and 4,220,911,743.60
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Solution
The fourth proportional to 4,424,985,087.60, 6,637,477,631.40 and 4,220,911,743.60 is: 6,331,367,615.40
Step by Step Solution
- Step 1: Write the proportion equation
4,424,985,087.60 : 6,637,477,631.40 = 4,220,911,743.60 : x - Step 2: Convert to fraction form
4,424,985,087.60/6,637,477,631.40 = 4,220,911,743.60/x - Step 3: Cross multiply
4,424,985,087.60x = 6,637,477,631.40 × 4,220,911,743.60 - Step 4: Simplify right side
4,424,985,087.60x = 28,016,207,282,258,571,264 - Step 5: Solve for x
x = 28,016,207,282,258,571,264/4,424,985,087.60 - Step 6: Final answer
x = 6,331,367,615.40
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1.5x scale
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.