Finding the Fourth Proportional to 6,318,379,826.35, 8,719,638,246.80 and 3,498,987,752.39
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Solution
The fourth proportional to 6,318,379,826.35, 8,719,638,246.80 and 3,498,987,752.39 is: 4,828,754,881.69
Step by Step Solution
- Step 1: Write the proportion equation
6,318,379,826.35 : 8,719,638,246.80 = 3,498,987,752.39 : x - Step 2: Convert to fraction form
6,318,379,826.35/8,719,638,246.80 = 3,498,987,752.39/x - Step 3: Cross multiply
6,318,379,826.35x = 8,719,638,246.80 × 3,498,987,752.39 - Step 4: Simplify right side
6,318,379,826.35x = 30,509,907,430,842,036,224 - Step 5: Solve for x
x = 30,509,907,430,842,036,224/6,318,379,826.35 - Step 6: Final answer
x = 4,828,754,881.69
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1.5x scale
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.