Finding the Fourth Proportional to 4,258,073,087.28, 6,387,335,198.10 and 1,312,375,930.92
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Solution
The fourth proportional to 4,258,073,087.28, 6,387,335,198.10 and 1,312,375,930.92 is: 1,968,633,418.19
Step by Step Solution
- Step 1: Write the proportion equation
4,258,073,087.28 : 6,387,335,198.10 = 1,312,375,930.92 : x - Step 2: Convert to fraction form
4,258,073,087.28/6,387,335,198.10 = 1,312,375,930.92/x - Step 3: Cross multiply
4,258,073,087.28x = 6,387,335,198.10 × 1,312,375,930.92 - Step 4: Simplify right side
4,258,073,087.28x = 8,382,584,976,704,571,392 - Step 5: Solve for x
x = 8,382,584,976,704,571,392/4,258,073,087.28 - Step 6: Final answer
x = 1,968,633,418.19
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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.