Finding the Fourth Proportional to 4,064,426,337.70, 5,598,457,677.75 and 2,872,946,908.99
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Solution
The fourth proportional to 4,064,426,337.70, 5,598,457,677.75 and 2,872,946,908.99 is: 3,957,279,661.15
Step by Step Solution
- Step 1: Write the proportion equation
4,064,426,337.70 : 5,598,457,677.75 = 2,872,946,908.99 : x - Step 2: Convert to fraction form
4,064,426,337.70/5,598,457,677.75 = 2,872,946,908.99/x - Step 3: Cross multiply
4,064,426,337.70x = 5,598,457,677.75 × 2,872,946,908.99 - Step 4: Simplify right side
4,064,426,337.70x = 16,084,071,680,403,193,856 - Step 5: Solve for x
x = 16,084,071,680,403,193,856/4,064,426,337.70 - Step 6: Final answer
x = 3,957,279,661.15
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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.