Finding the Fourth Proportional to 2,217,618,110.70, 3,326,427,166.05 and 1,129,226,942.70
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Solution
The fourth proportional to 2,217,618,110.70, 3,326,427,166.05 and 1,129,226,942.70 is: 1,693,840,414.05
Step by Step Solution
- Step 1: Write the proportion equation
2,217,618,110.70 : 3,326,427,166.05 = 1,129,226,942.70 : x - Step 2: Convert to fraction form
2,217,618,110.70/3,326,427,166.05 = 1,129,226,942.70/x - Step 3: Cross multiply
2,217,618,110.70x = 3,326,427,166.05 × 1,129,226,942.70 - Step 4: Simplify right side
2,217,618,110.70x = 3,756,291,178,832,867,328 - Step 5: Solve for x
x = 3,756,291,178,832,867,328/2,217,618,110.70 - Step 6: Final answer
x = 1,693,840,414.05
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1.5x scale
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.