Finding the Fourth Proportional to 1,237,503,386.79, 1,707,336,290.61 and 701,597,560.68
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Solution
The fourth proportional to 1,237,503,386.79, 1,707,336,290.61 and 701,597,560.68 is: 967,967,433.09
Step by Step Solution
- Step 1: Write the proportion equation
1,237,503,386.79 : 1,707,336,290.61 = 701,597,560.68 : x - Step 2: Convert to fraction form
1,237,503,386.79/1,707,336,290.61 = 701,597,560.68/x - Step 3: Cross multiply
1,237,503,386.79x = 1,707,336,290.61 × 701,597,560.68 - Step 4: Simplify right side
1,237,503,386.79x = 1,197,862,976,752,415,488 - Step 5: Solve for x
x = 1,197,862,976,752,415,488/1,237,503,386.79 - Step 6: Final answer
x = 967,967,433.09
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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.