Finding the Fourth Proportional to 1,325,339,640.18, 1,828,974,246.84 and 730,611,070.16
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Solution
The fourth proportional to 1,325,339,640.18, 1,828,974,246.84 and 730,611,070.16 is: 1,008,246,332.68
Step by Step Solution
- Step 1: Write the proportion equation
1,325,339,640.18 : 1,828,974,246.84 = 730,611,070.16 : x - Step 2: Convert to fraction form
1,325,339,640.18/1,828,974,246.84 = 730,611,070.16/x - Step 3: Cross multiply
1,325,339,640.18x = 1,828,974,246.84 × 730,611,070.16 - Step 4: Simplify right side
1,325,339,640.18x = 1,336,268,831,769,707,520 - Step 5: Solve for x
x = 1,336,268,831,769,707,520/1,325,339,640.18 - Step 6: Final answer
x = 1,008,246,332.68
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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.