Finding the Fourth Proportional to 1,814,921,656.20, 2,722,382,484.30 and 588,214,110.60
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Solution
The fourth proportional to 1,814,921,656.20, 2,722,382,484.30 and 588,214,110.60 is: 882,321,165.90
Step by Step Solution
- Step 1: Write the proportion equation
1,814,921,656.20 : 2,722,382,484.30 = 588,214,110.60 : x - Step 2: Convert to fraction form
1,814,921,656.20/2,722,382,484.30 = 588,214,110.60/x - Step 3: Cross multiply
1,814,921,656.20x = 2,722,382,484.30 × 588,214,110.60 - Step 4: Simplify right side
1,814,921,656.20x = 1,601,343,791,715,543,040 - Step 5: Solve for x
x = 1,601,343,791,715,543,040/1,814,921,656.20 - Step 6: Final answer
x = 882,321,165.90
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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.