Finding the Fourth Proportional to 871,314,855.60, 1,222,901,898 and 871,314,855.60
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Solution
The fourth proportional to 871,314,855.60, 1,222,901,898 and 871,314,855.60 is: 1,222,901,898
Step by Step Solution
- Step 1: Write the proportion equation
871,314,855.60 : 1,222,901,898 = 871,314,855.60 : x - Step 2: Convert to fraction form
871,314,855.60/1,222,901,898 = 871,314,855.60/x - Step 3: Cross multiply
871,314,855.60x = 1,222,901,898 × 871,314,855.60 - Step 4: Simplify right side
871,314,855.60x = 1,065,532,590,668,835,968 - Step 5: Solve for x
x = 1,065,532,590,668,835,968/871,314,855.60 - Step 6: Final answer
x = 1,222,901,898
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.