Finding the Fourth Proportional to 506,464,561.39, 698,994,497.84 and 291,841,450.95
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Solution
The fourth proportional to 506,464,561.39, 698,994,497.84 and 291,841,450.95 is: 402,783,499.59
Step by Step Solution
- Step 1: Write the proportion equation
506,464,561.39 : 698,994,497.84 = 291,841,450.95 : x - Step 2: Convert to fraction form
506,464,561.39/698,994,497.84 = 291,841,450.95/x - Step 3: Cross multiply
506,464,561.39x = 698,994,497.84 × 291,841,450.95 - Step 4: Simplify right side
506,464,561.39x = 203,995,568,456,421,824 - Step 5: Solve for x
x = 203,995,568,456,421,824/506,464,561.39 - Step 6: Final answer
x = 402,783,499.59
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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.