Finding the Fourth Proportional to 1,154,834,138.70, 1,732,251,208.05 and 695,669,114.70
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Solution
The fourth proportional to 1,154,834,138.70, 1,732,251,208.05 and 695,669,114.70 is: 1,043,503,672.05
Step by Step Solution
- Step 1: Write the proportion equation
1,154,834,138.70 : 1,732,251,208.05 = 695,669,114.70 : x - Step 2: Convert to fraction form
1,154,834,138.70/1,732,251,208.05 = 695,669,114.70/x - Step 3: Cross multiply
1,154,834,138.70x = 1,732,251,208.05 × 695,669,114.70 - Step 4: Simplify right side
1,154,834,138.70x = 1,205,073,664,342,149,120 - Step 5: Solve for x
x = 1,205,073,664,342,149,120/1,154,834,138.70 - Step 6: Final answer
x = 1,043,503,672.05
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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.