Finding the Fourth Proportional to 79,267,752,078.40, 118,901,628,117.60 and 44,003,878,235.20
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Solution
The fourth proportional to 79,267,752,078.40, 118,901,628,117.60 and 44,003,878,235.20 is: 66,005,817,352.80
Step by Step Solution
- Step 1: Write the proportion equation
79,267,752,078.40 : 118,901,628,117.60 = 44,003,878,235.20 : x - Step 2: Convert to fraction form
79,267,752,078.40/118,901,628,117.60 = 44,003,878,235.20/x - Step 3: Cross multiply
79,267,752,078.40x = 118,901,628,117.60 × 44,003,878,235.20 - Step 4: Simplify right side
79,267,752,078.40x = 5,232,132,765,653,902,819,328 - Step 5: Solve for x
x = 5,232,132,765,653,902,819,328/79,267,752,078.40 - Step 6: Final answer
x = 66,005,817,352.80
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Similar ratio
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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.