Finding the Fourth Proportional to 8,612,925,432.68, 11,888,048,573.70 and 5,609,661,996.71
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Solution
The fourth proportional to 8,612,925,432.68, 11,888,048,573.70 and 5,609,661,996.71 is: 7,742,773,906.52
Step by Step Solution
- Step 1: Write the proportion equation
8,612,925,432.68 : 11,888,048,573.70 = 5,609,661,996.71 : x - Step 2: Convert to fraction form
8,612,925,432.68/11,888,048,573.70 = 5,609,661,996.71/x - Step 3: Cross multiply
8,612,925,432.68x = 11,888,048,573.70 × 5,609,661,996.71 - Step 4: Simplify right side
8,612,925,432.68x = 66,687,934,298,927,415,296 - Step 5: Solve for x
x = 66,687,934,298,927,415,296/8,612,925,432.68 - Step 6: Final answer
x = 7,742,773,906.52
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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.