Finding the Fourth Proportional to 8,129,506,515.98, 12,194,210,589.72 and 4,422,357,794.84
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Solution
The fourth proportional to 8,129,506,515.98, 12,194,210,589.72 and 4,422,357,794.84 is: 6,633,509,936.60
Step by Step Solution
- Step 1: Write the proportion equation
8,129,506,515.98 : 12,194,210,589.72 = 4,422,357,794.84 : x - Step 2: Convert to fraction form
8,129,506,515.98/12,194,210,589.72 = 4,422,357,794.84/x - Step 3: Cross multiply
8,129,506,515.98x = 12,194,210,589.72 × 4,422,357,794.84 - Step 4: Simplify right side
8,129,506,515.98x = 53,927,162,253,368,713,216 - Step 5: Solve for x
x = 53,927,162,253,368,713,216/8,129,506,515.98 - Step 6: Final answer
x = 6,633,509,936.60
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1.5x scale
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.