Finding the Fourth Proportional to 1,365,497,888.22, 1,884,393,023.43 and 738,966,371.52
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Solution
The fourth proportional to 1,365,497,888.22, 1,884,393,023.43 and 738,966,371.52 is: 1,019,776,806.00
Step by Step Solution
- Step 1: Write the proportion equation
1,365,497,888.22 : 1,884,393,023.43 = 738,966,371.52 : x - Step 2: Convert to fraction form
1,365,497,888.22/1,884,393,023.43 = 738,966,371.52/x - Step 3: Cross multiply
1,365,497,888.22x = 1,884,393,023.43 × 738,966,371.52 - Step 4: Simplify right side
1,365,497,888.22x = 1,392,503,075,051,470,080 - Step 5: Solve for x
x = 1,392,503,075,051,470,080/1,365,497,888.22 - Step 6: Final answer
x = 1,019,776,806.00
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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.