Finding the Fourth Proportional to 6,279,626,155.36, 8,666,068,946.16 and 3,460,415,684.80
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Solution
The fourth proportional to 6,279,626,155.36, 8,666,068,946.16 and 3,460,415,684.80 is: 4,775,475,508.40
Step by Step Solution
- Step 1: Write the proportion equation
6,279,626,155.36 : 8,666,068,946.16 = 3,460,415,684.80 : x - Step 2: Convert to fraction form
6,279,626,155.36/8,666,068,946.16 = 3,460,415,684.80/x - Step 3: Cross multiply
6,279,626,155.36x = 8,666,068,946.16 × 3,460,415,684.80 - Step 4: Simplify right side
6,279,626,155.36x = 29,988,200,906,850,271,232 - Step 5: Solve for x
x = 29,988,200,906,850,271,232/6,279,626,155.36 - Step 6: Final answer
x = 4,775,475,508.40
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1.5x scale
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.