Finding the Fourth Proportional to 1,056,118,628.80, 1,584,177,943.20 and 965,344,715.20
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Solution
The fourth proportional to 1,056,118,628.80, 1,584,177,943.20 and 965,344,715.20 is: 1,448,017,072.80
Step by Step Solution
- Step 1: Write the proportion equation
1,056,118,628.80 : 1,584,177,943.20 = 965,344,715.20 : x - Step 2: Convert to fraction form
1,056,118,628.80/1,584,177,943.20 = 965,344,715.20/x - Step 3: Cross multiply
1,056,118,628.80x = 1,584,177,943.20 × 965,344,715.20 - Step 4: Simplify right side
1,056,118,628.80x = 1,529,277,805,404,525,824 - Step 5: Solve for x
x = 1,529,277,805,404,525,824/1,056,118,628.80 - Step 6: Final answer
x = 1,448,017,072.80
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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.