Finding the Fourth Proportional to 993,548,470,048.95, 1,372,227,875,724.80 and 667,822,259,090.60
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Solution
The fourth proportional to 993,548,470,048.95, 1,372,227,875,724.80 and 667,822,259,090.60 is: 922,354,920,347.75
Step by Step Solution
- Step 1: Write the proportion equation
993,548,470,048.95 : 1,372,227,875,724.80 = 667,822,259,090.60 : x - Step 2: Convert to fraction form
993,548,470,048.95/1,372,227,875,724.80 = 667,822,259,090.60/x - Step 3: Cross multiply
993,548,470,048.95x = 1,372,227,875,724.80 × 667,822,259,090.60 - Step 4: Simplify right side
993,548,470,048.95x = 916,404,319,953,631,022,415,872 - Step 5: Solve for x
x = 916,404,319,953,631,022,415,872/993,548,470,048.95 - Step 6: Final answer
x = 922,354,920,347.75
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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.