Finding the Fourth Proportional to 1,079,332,252.96, 1,489,478,193.36 and 584,294,594.08
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Solution
The fourth proportional to 1,079,332,252.96, 1,489,478,193.36 and 584,294,594.08 is: 806,326,368.91
Step by Step Solution
- Step 1: Write the proportion equation
1,079,332,252.96 : 1,489,478,193.36 = 584,294,594.08 : x - Step 2: Convert to fraction form
1,079,332,252.96/1,489,478,193.36 = 584,294,594.08/x - Step 3: Cross multiply
1,079,332,252.96x = 1,489,478,193.36 × 584,294,594.08 - Step 4: Simplify right side
1,079,332,252.96x = 870,294,056,380,292,992 - Step 5: Solve for x
x = 870,294,056,380,292,992/1,079,332,252.96 - Step 6: Final answer
x = 806,326,368.91
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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.