Finding the Fourth Proportional to 1,738,214,520, 2,405,052,572.76 and 1,515,660,282.96
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Solution
The fourth proportional to 1,738,214,520, 2,405,052,572.76 and 1,515,660,282.96 is: 2,097,118,981.01
Step by Step Solution
- Step 1: Write the proportion equation
1,738,214,520 : 2,405,052,572.76 = 1,515,660,282.96 : x - Step 2: Convert to fraction form
1,738,214,520/2,405,052,572.76 = 1,515,660,282.96/x - Step 3: Cross multiply
1,738,214,520x = 2,405,052,572.76 × 1,515,660,282.96 - Step 4: Simplify right side
1,738,214,520x = 3,645,242,662,963,098,112 - Step 5: Solve for x
x = 3,645,242,662,963,098,112/1,738,214,520 - Step 6: Final answer
x = 2,097,118,981.01
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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.