Finding the Fourth Proportional to 1,409,067,129.58, 1,944,459,302.97 and 782,575,895.50
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Solution
The fourth proportional to 1,409,067,129.58, 1,944,459,302.97 and 782,575,895.50 is: 1,079,925,113.82
Step by Step Solution
- Step 1: Write the proportion equation
1,409,067,129.58 : 1,944,459,302.97 = 782,575,895.50 : x - Step 2: Convert to fraction form
1,409,067,129.58/1,944,459,302.97 = 782,575,895.50/x - Step 3: Cross multiply
1,409,067,129.58x = 1,944,459,302.97 × 782,575,895.50 - Step 4: Simplify right side
1,409,067,129.58x = 1,521,686,980,285,053,696 - Step 5: Solve for x
x = 1,521,686,980,285,053,696/1,409,067,129.58 - Step 6: Final answer
x = 1,079,925,113.82
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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.