Finding the Fourth Proportional to 413,640,246.13, 620,298,940.51 and 180,542,252.05
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Solution
The fourth proportional to 413,640,246.13, 620,298,940.51 and 180,542,252.05 is: 270,742,919.03
Step by Step Solution
- Step 1: Write the proportion equation
413,640,246.13 : 620,298,940.51 = 180,542,252.05 : x - Step 2: Convert to fraction form
413,640,246.13/620,298,940.51 = 180,542,252.05/x - Step 3: Cross multiply
413,640,246.13x = 620,298,940.51 × 180,542,252.05 - Step 4: Simplify right side
413,640,246.13x = 111,990,167,663,904,384 - Step 5: Solve for x
x = 111,990,167,663,904,384/413,640,246.13 - Step 6: Final answer
x = 270,742,919.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.