Finding the Fourth Proportional to 2,725,207,471.96, 4,088,537,901.87 and 978,425,342.18
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Solution
The fourth proportional to 2,725,207,471.96, 4,088,537,901.87 and 978,425,342.18 is: 1,467,898,916.62
Step by Step Solution
- Step 1: Write the proportion equation
2,725,207,471.96 : 4,088,537,901.87 = 978,425,342.18 : x - Step 2: Convert to fraction form
2,725,207,471.96/4,088,537,901.87 = 978,425,342.18/x - Step 3: Cross multiply
2,725,207,471.96x = 4,088,537,901.87 × 978,425,342.18 - Step 4: Simplify right side
2,725,207,471.96x = 4,000,329,095,648,161,280 - Step 5: Solve for x
x = 4,000,329,095,648,161,280/2,725,207,471.96 - Step 6: Final answer
x = 1,467,898,916.62
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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.