Finding the Fourth Proportional to 5,623,792,006.40, 8,435,688,009.60 and 4,712,264,403.20
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Solution
The fourth proportional to 5,623,792,006.40, 8,435,688,009.60 and 4,712,264,403.20 is: 7,068,396,604.80
Step by Step Solution
- Step 1: Write the proportion equation
5,623,792,006.40 : 8,435,688,009.60 = 4,712,264,403.20 : x - Step 2: Convert to fraction form
5,623,792,006.40/8,435,688,009.60 = 4,712,264,403.20/x - Step 3: Cross multiply
5,623,792,006.40x = 8,435,688,009.60 × 4,712,264,403.20 - Step 4: Simplify right side
5,623,792,006.40x = 39,751,192,324,139,139,072 - Step 5: Solve for x
x = 39,751,192,324,139,139,072/5,623,792,006.40 - Step 6: Final answer
x = 7,068,396,604.80
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Similar ratio
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1.5x scale
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.