Finding the Fourth Proportional to 1,914,702,217.86, 2,866,162,717.62 and 1,249,283,430.30
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Solution
The fourth proportional to 1,914,702,217.86, 2,866,162,717.62 and 1,249,283,430.30 is: 1,870,081,706.84
Step by Step Solution
- Step 1: Write the proportion equation
1,914,702,217.86 : 2,866,162,717.62 = 1,249,283,430.30 : x - Step 2: Convert to fraction form
1,914,702,217.86/2,866,162,717.62 = 1,249,283,430.30/x - Step 3: Cross multiply
1,914,702,217.86x = 2,866,162,717.62 × 1,249,283,430.30 - Step 4: Simplify right side
1,914,702,217.86x = 3,580,649,591,666,283,520 - Step 5: Solve for x
x = 3,580,649,591,666,283,520/1,914,702,217.86 - Step 6: Final answer
x = 1,870,081,706.84
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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.