Finding the Fourth Proportional to 1,563,098,268.84, 2,157,106,461.93 and 858,244,084.62
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Solution
The fourth proportional to 1,563,098,268.84, 2,157,106,461.93 and 858,244,084.62 is: 1,184,393,775.97
Step by Step Solution
- Step 1: Write the proportion equation
1,563,098,268.84 : 2,157,106,461.93 = 858,244,084.62 : x - Step 2: Convert to fraction form
1,563,098,268.84/2,157,106,461.93 = 858,244,084.62/x - Step 3: Cross multiply
1,563,098,268.84x = 2,157,106,461.93 × 858,244,084.62 - Step 4: Simplify right side
1,563,098,268.84x = 1,851,323,860,846,999,552 - Step 5: Solve for x
x = 1,851,323,860,846,999,552/1,563,098,268.84 - Step 6: Final answer
x = 1,184,393,775.97
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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.