Finding the Fourth Proportional to 2,207,994,177.78, 3,312,020,115.36 and 734,133,986.82
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Solution
The fourth proportional to 2,207,994,177.78, 3,312,020,115.36 and 734,133,986.82 is: 1,101,210,572.10
Step by Step Solution
- Step 1: Write the proportion equation
2,207,994,177.78 : 3,312,020,115.36 = 734,133,986.82 : x - Step 2: Convert to fraction form
2,207,994,177.78/3,312,020,115.36 = 734,133,986.82/x - Step 3: Cross multiply
2,207,994,177.78x = 3,312,020,115.36 × 734,133,986.82 - Step 4: Simplify right side
2,207,994,177.78x = 2,431,466,531,717,273,600 - Step 5: Solve for x
x = 2,431,466,531,717,273,600/2,207,994,177.78 - Step 6: Final answer
x = 1,101,210,572.10
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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.