Finding the Fourth Proportional to 1,056,117,629.80, 1,584,176,444.70 and 965,343,716.20
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Solution
The fourth proportional to 1,056,117,629.80, 1,584,176,444.70 and 965,343,716.20 is: 1,448,015,574.30
Step by Step Solution
- Step 1: Write the proportion equation
1,056,117,629.80 : 1,584,176,444.70 = 965,343,716.20 : x - Step 2: Convert to fraction form
1,056,117,629.80/1,584,176,444.70 = 965,343,716.20/x - Step 3: Cross multiply
1,056,117,629.80x = 1,584,176,444.70 × 965,343,716.20 - Step 4: Simplify right side
1,056,117,629.80x = 1,529,274,776,243,201,792 - Step 5: Solve for x
x = 1,529,274,776,243,201,792/1,056,117,629.80 - Step 6: Final answer
x = 1,448,015,574.30
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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.