Finding the Fourth Proportional to 3,288,331,694.79, 4,932,249,461.06 and 1,047,288,451.05
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Solution
The fourth proportional to 3,288,331,694.79, 4,932,249,461.06 and 1,047,288,451.05 is: 1,570,853,666.14
Step by Step Solution
- Step 1: Write the proportion equation
3,288,331,694.79 : 4,932,249,461.06 = 1,047,288,451.05 : x - Step 2: Convert to fraction form
3,288,331,694.79/4,932,249,461.06 = 1,047,288,451.05/x - Step 3: Cross multiply
3,288,331,694.79x = 4,932,249,461.06 × 1,047,288,451.05 - Step 4: Simplify right side
3,288,331,694.79x = 5,165,487,898,260,488,192 - Step 5: Solve for x
x = 5,165,487,898,260,488,192/3,288,331,694.79 - Step 6: Final answer
x = 1,570,853,666.14
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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.