Finding the Fourth Proportional to 4,258,731,013.80, 6,382,386,410.52 and 3,314,469,315.80
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Solution
The fourth proportional to 4,258,731,013.80, 6,382,386,410.52 and 3,314,469,315.80 is: 4,967,259,930.42
Step by Step Solution
- Step 1: Write the proportion equation
4,258,731,013.80 : 6,382,386,410.52 = 3,314,469,315.80 : x - Step 2: Convert to fraction form
4,258,731,013.80/6,382,386,410.52 = 3,314,469,315.80/x - Step 3: Cross multiply
4,258,731,013.80x = 6,382,386,410.52 × 3,314,469,315.80 - Step 4: Simplify right side
4,258,731,013.80x = 21,154,223,919,275,991,040 - Step 5: Solve for x
x = 21,154,223,919,275,991,040/4,258,731,013.80 - Step 6: Final answer
x = 4,967,259,930.42
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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.