Finding the Fourth Proportional to 5,370,517,647.55, 7,410,330,508.02 and 2,991,596,383.63
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Solution
The fourth proportional to 5,370,517,647.55, 7,410,330,508.02 and 2,991,596,383.63 is: 4,127,854,967.46
Step by Step Solution
- Step 1: Write the proportion equation
5,370,517,647.55 : 7,410,330,508.02 = 2,991,596,383.63 : x - Step 2: Convert to fraction form
5,370,517,647.55/7,410,330,508.02 = 2,991,596,383.63/x - Step 3: Cross multiply
5,370,517,647.55x = 7,410,330,508.02 × 2,991,596,383.63 - Step 4: Simplify right side
5,370,517,647.55x = 22,168,717,949,258,641,408 - Step 5: Solve for x
x = 22,168,717,949,258,641,408/5,370,517,647.55 - Step 6: Final answer
x = 4,127,854,967.46
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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.