Finding the Fourth Proportional to 5,315,395,416.10, 7,972,337,296.95 and 1,821,962,097.70
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Solution
The fourth proportional to 5,315,395,416.10, 7,972,337,296.95 and 1,821,962,097.70 is: 2,732,684,071.09
Step by Step Solution
- Step 1: Write the proportion equation
5,315,395,416.10 : 7,972,337,296.95 = 1,821,962,097.70 : x - Step 2: Convert to fraction form
5,315,395,416.10/7,972,337,296.95 = 1,821,962,097.70/x - Step 3: Cross multiply
5,315,395,416.10x = 7,972,337,296.95 × 1,821,962,097.70 - Step 4: Simplify right side
5,315,395,416.10x = 14,525,296,385,122,969,600 - Step 5: Solve for x
x = 14,525,296,385,122,969,600/5,315,395,416.10 - Step 6: Final answer
x = 2,732,684,071.09
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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.