Finding the Fourth Proportional to 18,160,331,403.80, 27,240,497,105.70 and 14,487,011,211.80
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Solution
The fourth proportional to 18,160,331,403.80, 27,240,497,105.70 and 14,487,011,211.80 is: 21,730,516,817.70
Step by Step Solution
- Step 1: Write the proportion equation
18,160,331,403.80 : 27,240,497,105.70 = 14,487,011,211.80 : x - Step 2: Convert to fraction form
18,160,331,403.80/27,240,497,105.70 = 14,487,011,211.80/x - Step 3: Cross multiply
18,160,331,403.80x = 27,240,497,105.70 × 14,487,011,211.80 - Step 4: Simplify right side
18,160,331,403.80x = 394,633,386,985,281,355,776 - Step 5: Solve for x
x = 394,633,386,985,281,355,776/18,160,331,403.80 - Step 6: Final answer
x = 21,730,516,817.70
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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.