Finding the Fourth Proportional to 6,140,209,490.91, 8,473,489,110.81 and 3,320,817,416.55
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Solution
The fourth proportional to 6,140,209,490.91, 8,473,489,110.81 and 3,320,817,416.55 is: 4,582,728,042.06
Step by Step Solution
- Step 1: Write the proportion equation
6,140,209,490.91 : 8,473,489,110.81 = 3,320,817,416.55 : x - Step 2: Convert to fraction form
6,140,209,490.91/8,473,489,110.81 = 3,320,817,416.55/x - Step 3: Cross multiply
6,140,209,490.91x = 8,473,489,110.81 × 3,320,817,416.55 - Step 4: Simplify right side
6,140,209,490.91x = 28,138,910,218,124,623,872 - Step 5: Solve for x
x = 28,138,910,218,124,623,872/6,140,209,490.91 - Step 6: Final answer
x = 4,582,728,042.06
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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.