Finding the Fourth Proportional to 2,689,624,211.10, 4,034,436,316.65 and 1,053,304,979.10
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Solution
The fourth proportional to 2,689,624,211.10, 4,034,436,316.65 and 1,053,304,979.10 is: 1,579,957,468.65
Step by Step Solution
- Step 1: Write the proportion equation
2,689,624,211.10 : 4,034,436,316.65 = 1,053,304,979.10 : x - Step 2: Convert to fraction form
2,689,624,211.10/4,034,436,316.65 = 1,053,304,979.10/x - Step 3: Cross multiply
2,689,624,211.10x = 4,034,436,316.65 × 1,053,304,979.10 - Step 4: Simplify right side
2,689,624,211.10x = 4,249,491,860,189,309,440 - Step 5: Solve for x
x = 4,249,491,860,189,309,440/2,689,624,211.10 - Step 6: Final answer
x = 1,579,957,468.65
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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.