Finding the Fourth Proportional to 7,815,339,490.77, 11,725,309,495.40 and 2,840,982,938.64
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Solution
The fourth proportional to 7,815,339,490.77, 11,725,309,495.40 and 2,840,982,938.64 is: 4,262,310,583.70
Step by Step Solution
- Step 1: Write the proportion equation
7,815,339,490.77 : 11,725,309,495.40 = 2,840,982,938.64 : x - Step 2: Convert to fraction form
7,815,339,490.77/11,725,309,495.40 = 2,840,982,938.64/x - Step 3: Cross multiply
7,815,339,490.77x = 11,725,309,495.40 × 2,840,982,938.64 - Step 4: Simplify right side
7,815,339,490.77x = 33,311,404,226,690,781,184 - Step 5: Solve for x
x = 33,311,404,226,690,781,184/7,815,339,490.77 - Step 6: Final answer
x = 4,262,310,583.70
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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.