Finding the Fourth Proportional to 3,605,102,985.06, 5,407,163,567.68 and 948,936,640.00
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Solution
The fourth proportional to 3,605,102,985.06, 5,407,163,567.68 and 948,936,640.00 is: 1,423,275,742.50
Step by Step Solution
- Step 1: Write the proportion equation
3,605,102,985.06 : 5,407,163,567.68 = 948,936,640.00 : x - Step 2: Convert to fraction form
3,605,102,985.06/5,407,163,567.68 = 948,936,640.00/x - Step 3: Cross multiply
3,605,102,985.06x = 5,407,163,567.68 × 948,936,640.00 - Step 4: Simplify right side
3,605,102,985.06x = 5,131,055,627,858,465,792 - Step 5: Solve for x
x = 5,131,055,627,858,465,792/3,605,102,985.06 - Step 6: Final answer
x = 1,423,275,742.50
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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.