Finding the Fourth Proportional to 6,970,752,363.20, 10,456,128,544.80 and 2,608,117,764.80
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Solution
The fourth proportional to 6,970,752,363.20, 10,456,128,544.80 and 2,608,117,764.80 is: 3,912,176,647.20
Step by Step Solution
- Step 1: Write the proportion equation
6,970,752,363.20 : 10,456,128,544.80 = 2,608,117,764.80 : x - Step 2: Convert to fraction form
6,970,752,363.20/10,456,128,544.80 = 2,608,117,764.80/x - Step 3: Cross multiply
6,970,752,363.20x = 10,456,128,544.80 × 2,608,117,764.80 - Step 4: Simplify right side
6,970,752,363.20x = 27,270,814,608,725,254,144 - Step 5: Solve for x
x = 27,270,814,608,725,254,144/6,970,752,363.20 - Step 6: Final answer
x = 3,912,176,647.20
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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.