Finding the Fourth Proportional to 1,431,522,684.08, 1,975,461,288 and 867,341,596.96
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Solution
The fourth proportional to 1,431,522,684.08, 1,975,461,288 and 867,341,596.96 is: 1,196,907,158.60
Step by Step Solution
- Step 1: Write the proportion equation
1,431,522,684.08 : 1,975,461,288 = 867,341,596.96 : x - Step 2: Convert to fraction form
1,431,522,684.08/1,975,461,288 = 867,341,596.96/x - Step 3: Cross multiply
1,431,522,684.08x = 1,975,461,288 × 867,341,596.96 - Step 4: Simplify right side
1,431,522,684.08x = 1,713,399,748,266,578,432 - Step 5: Solve for x
x = 1,713,399,748,266,578,432/1,431,522,684.08 - Step 6: Final answer
x = 1,196,907,158.60
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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.