Finding the Fourth Proportional to 1,102,284,708.40, 1,653,427,062.60 and 830,186,916.40
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Solution
The fourth proportional to 1,102,284,708.40, 1,653,427,062.60 and 830,186,916.40 is: 1,245,280,374.60
Step by Step Solution
- Step 1: Write the proportion equation
1,102,284,708.40 : 1,653,427,062.60 = 830,186,916.40 : x - Step 2: Convert to fraction form
1,102,284,708.40/1,653,427,062.60 = 830,186,916.40/x - Step 3: Cross multiply
1,102,284,708.40x = 1,653,427,062.60 × 830,186,916.40 - Step 4: Simplify right side
1,102,284,708.40x = 1,372,653,514,592,203,776 - Step 5: Solve for x
x = 1,372,653,514,592,203,776/1,102,284,708.40 - Step 6: Final answer
x = 1,245,280,374.60
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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.