Finding the Fourth Proportional to 1,574,800,183.68, 2,173,290,280.96 and 905,745,414.08
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Solution
The fourth proportional to 1,574,800,183.68, 2,173,290,280.96 and 905,745,414.08 is: 1,249,966,647.10
Step by Step Solution
- Step 1: Write the proportion equation
1,574,800,183.68 : 2,173,290,280.96 = 905,745,414.08 : x - Step 2: Convert to fraction form
1,574,800,183.68/2,173,290,280.96 = 905,745,414.08/x - Step 3: Cross multiply
1,574,800,183.68x = 2,173,290,280.96 × 905,745,414.08 - Step 4: Simplify right side
1,574,800,183.68x = 1,968,447,705,444,154,880 - Step 5: Solve for x
x = 1,968,447,705,444,154,880/1,574,800,183.68 - Step 6: Final answer
x = 1,249,966,647.10
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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.