Finding the Fourth Proportional to 5,323,331,138.88, 7,345,703,978.40 and 2,944,417,875.36
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Solution
The fourth proportional to 5,323,331,138.88, 7,345,703,978.40 and 2,944,417,875.36 is: 4,063,023,985.70
Step by Step Solution
- Step 1: Write the proportion equation
5,323,331,138.88 : 7,345,703,978.40 = 2,944,417,875.36 : x - Step 2: Convert to fraction form
5,323,331,138.88/7,345,703,978.40 = 2,944,417,875.36/x - Step 3: Cross multiply
5,323,331,138.88x = 7,345,703,978.40 × 2,944,417,875.36 - Step 4: Simplify right side
5,323,331,138.88x = 21,628,822,101,104,025,600 - Step 5: Solve for x
x = 21,628,822,101,104,025,600/5,323,331,138.88 - Step 6: Final answer
x = 4,063,023,985.70
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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.