Finding the Fourth Proportional to 1,010,997,067.70, 1,516,495,601.55 and 896,205,811.70
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Solution
The fourth proportional to 1,010,997,067.70, 1,516,495,601.55 and 896,205,811.70 is: 1,344,308,717.55
Step by Step Solution
- Step 1: Write the proportion equation
1,010,997,067.70 : 1,516,495,601.55 = 896,205,811.70 : x - Step 2: Convert to fraction form
1,010,997,067.70/1,516,495,601.55 = 896,205,811.70/x - Step 3: Cross multiply
1,010,997,067.70x = 1,516,495,601.55 × 896,205,811.70 - Step 4: Simplify right side
1,010,997,067.70x = 1,359,092,171,526,597,632 - Step 5: Solve for x
x = 1,359,092,171,526,597,632/1,010,997,067.70 - Step 6: Final answer
x = 1,344,308,717.55
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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.