Finding the Fourth Proportional to 9,292,128,534.80, 13,928,267,891.75 and 5,299,616,906.58
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Solution
The fourth proportional to 9,292,128,534.80, 13,928,267,891.75 and 5,299,616,906.58 is: 7,943,764,845.92
Step by Step Solution
- Step 1: Write the proportion equation
9,292,128,534.80 : 13,928,267,891.75 = 5,299,616,906.58 : x - Step 2: Convert to fraction form
9,292,128,534.80/13,928,267,891.75 = 5,299,616,906.58/x - Step 3: Cross multiply
9,292,128,534.80x = 13,928,267,891.75 × 5,299,616,906.58 - Step 4: Simplify right side
9,292,128,534.80x = 73,814,483,998,493,671,424 - Step 5: Solve for x
x = 73,814,483,998,493,671,424/9,292,128,534.80 - Step 6: Final answer
x = 7,943,764,845.92
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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.