Finding the Fourth Proportional to 1,819,495,974.72, 2,734,043,107.86 and 979,759,573.68
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Solution
The fourth proportional to 1,819,495,974.72, 2,734,043,107.86 and 979,759,573.68 is: 1,472,223,597.63
Step by Step Solution
- Step 1: Write the proportion equation
1,819,495,974.72 : 2,734,043,107.86 = 979,759,573.68 : x - Step 2: Convert to fraction form
1,819,495,974.72/2,734,043,107.86 = 979,759,573.68/x - Step 3: Cross multiply
1,819,495,974.72x = 2,734,043,107.86 × 979,759,573.68 - Step 4: Simplify right side
1,819,495,974.72x = 2,678,704,909,779,655,680 - Step 5: Solve for x
x = 2,678,704,909,779,655,680/1,819,495,974.72 - Step 6: Final answer
x = 1,472,223,597.63
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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.