Finding the Fourth Proportional to 4,427,509,952.25, 6,641,277,535.74 and 1,279,980,794.70
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Solution
The fourth proportional to 4,427,509,952.25, 6,641,277,535.74 and 1,279,980,794.70 is: 1,919,974,836.80
Step by Step Solution
- Step 1: Write the proportion equation
4,427,509,952.25 : 6,641,277,535.74 = 1,279,980,794.70 : x - Step 2: Convert to fraction form
4,427,509,952.25/6,641,277,535.74 = 1,279,980,794.70/x - Step 3: Cross multiply
4,427,509,952.25x = 6,641,277,535.74 × 1,279,980,794.70 - Step 4: Simplify right side
4,427,509,952.25x = 8,500,707,698,019,742,720 - Step 5: Solve for x
x = 8,500,707,698,019,742,720/4,427,509,952.25 - Step 6: Final answer
x = 1,919,974,836.80
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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.