Finding the Fourth Proportional to 1,554,636,682.05, 2,331,955,023.08 and 682,940,581.80
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Solution
The fourth proportional to 1,554,636,682.05, 2,331,955,023.08 and 682,940,581.80 is: 1,024,410,872.70
Step by Step Solution
- Step 1: Write the proportion equation
1,554,636,682.05 : 2,331,955,023.08 = 682,940,581.80 : x - Step 2: Convert to fraction form
1,554,636,682.05/2,331,955,023.08 = 682,940,581.80/x - Step 3: Cross multiply
1,554,636,682.05x = 2,331,955,023.08 × 682,940,581.80 - Step 4: Simplify right side
1,554,636,682.05x = 1,592,586,720,190,272,768 - Step 5: Solve for x
x = 1,592,586,720,190,272,768/1,554,636,682.05 - Step 6: Final answer
x = 1,024,410,872.70
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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.