Finding the Fourth Proportional to 2,156,232,673.12, 2,975,601,093.60 and 1,166,158,090.08
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Solution
The fourth proportional to 2,156,232,673.12, 2,975,601,093.60 and 1,166,158,090.08 is: 1,609,298,166.85
Step by Step Solution
- Step 1: Write the proportion equation
2,156,232,673.12 : 2,975,601,093.60 = 1,166,158,090.08 : x - Step 2: Convert to fraction form
2,156,232,673.12/2,975,601,093.60 = 1,166,158,090.08/x - Step 3: Cross multiply
2,156,232,673.12x = 2,975,601,093.60 × 1,166,158,090.08 - Step 4: Simplify right side
2,156,232,673.12x = 3,470,021,288,152,535,040 - Step 5: Solve for x
x = 3,470,021,288,152,535,040/2,156,232,673.12 - Step 6: Final answer
x = 1,609,298,166.85
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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.