Finding the Fourth Proportional to 1,465,970,266.08, 2,198,955,807 and 430,831,090.08
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Solution
The fourth proportional to 1,465,970,266.08, 2,198,955,807 and 430,831,090.08 is: 646,246,754.99
Step by Step Solution
- Step 1: Write the proportion equation
1,465,970,266.08 : 2,198,955,807 = 430,831,090.08 : x - Step 2: Convert to fraction form
1,465,970,266.08/2,198,955,807 = 430,831,090.08/x - Step 3: Cross multiply
1,465,970,266.08x = 2,198,955,807 × 430,831,090.08 - Step 4: Simplify right side
1,465,970,266.08x = 947,378,527,367,556,096 - Step 5: Solve for x
x = 947,378,527,367,556,096/1,465,970,266.08 - Step 6: Final answer
x = 646,246,754.99
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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.