Finding the Fourth Proportional to 1,559,859,724.80, 2,339,789,445.12 and 686,461,092.84
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Solution
The fourth proportional to 1,559,859,724.80, 2,339,789,445.12 and 686,461,092.84 is: 1,029,691,576.73
Step by Step Solution
- Step 1: Write the proportion equation
1,559,859,724.80 : 2,339,789,445.12 = 686,461,092.84 : x - Step 2: Convert to fraction form
1,559,859,724.80/2,339,789,445.12 = 686,461,092.84/x - Step 3: Cross multiply
1,559,859,724.80x = 2,339,789,445.12 × 686,461,092.84 - Step 4: Simplify right side
1,559,859,724.80x = 1,606,174,419,512,572,416 - Step 5: Solve for x
x = 1,606,174,419,512,572,416/1,559,859,724.80 - Step 6: Final answer
x = 1,029,691,576.73
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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.