Finding the Fourth Proportional to 626,277,295.26, 864,158,889.06 and 361,983,943.98
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Solution
The fourth proportional to 626,277,295.26, 864,158,889.06 and 361,983,943.98 is: 499,477,859.50
Step by Step Solution
- Step 1: Write the proportion equation
626,277,295.26 : 864,158,889.06 = 361,983,943.98 : x - Step 2: Convert to fraction form
626,277,295.26/864,158,889.06 = 361,983,943.98/x - Step 3: Cross multiply
626,277,295.26x = 864,158,889.06 × 361,983,943.98 - Step 4: Simplify right side
626,277,295.26x = 312,811,642,887,314,048 - Step 5: Solve for x
x = 312,811,642,887,314,048/626,277,295.26 - Step 6: Final answer
x = 499,477,859.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.