Finding the Fourth Proportional to 2,829,697,324.80, 4,240,514,908.80 and 2,086,971,129.60
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Solution
The fourth proportional to 2,829,697,324.80, 4,240,514,908.80 and 2,086,971,129.60 is: 3,127,483,675.28
Step by Step Solution
- Step 1: Write the proportion equation
2,829,697,324.80 : 4,240,514,908.80 = 2,086,971,129.60 : x - Step 2: Convert to fraction form
2,829,697,324.80/4,240,514,908.80 = 2,086,971,129.60/x - Step 3: Cross multiply
2,829,697,324.80x = 4,240,514,908.80 × 2,086,971,129.60 - Step 4: Simplify right side
2,829,697,324.80x = 8,849,832,189,303,976,960 - Step 5: Solve for x
x = 8,849,832,189,303,976,960/2,829,697,324.80 - Step 6: Final answer
x = 3,127,483,675.28
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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.