Finding the Fourth Proportional to 3,526,343,946.05, 5,290,281,194.11 and 1,072,617,076.13
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Solution
The fourth proportional to 3,526,343,946.05, 5,290,281,194.11 and 1,072,617,076.13 is: 1,609,158,389.86
Step by Step Solution
- Step 1: Write the proportion equation
3,526,343,946.05 : 5,290,281,194.11 = 1,072,617,076.13 : x - Step 2: Convert to fraction form
3,526,343,946.05/5,290,281,194.11 = 1,072,617,076.13/x - Step 3: Cross multiply
3,526,343,946.05x = 5,290,281,194.11 × 1,072,617,076.13 - Step 4: Simplify right side
3,526,343,946.05x = 5,674,445,946,302,660,608 - Step 5: Solve for x
x = 5,674,445,946,302,660,608/3,526,343,946.05 - Step 6: Final answer
x = 1,609,158,389.86
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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.