Finding the Fourth Proportional to 542,257,919.81, 748,263,640.46 and 304,112,772.26
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Solution
The fourth proportional to 542,257,919.81, 748,263,640.46 and 304,112,772.26 is: 419,646,300.72
Step by Step Solution
- Step 1: Write the proportion equation
542,257,919.81 : 748,263,640.46 = 304,112,772.26 : x - Step 2: Convert to fraction form
542,257,919.81/748,263,640.46 = 304,112,772.26/x - Step 3: Cross multiply
542,257,919.81x = 748,263,640.46 × 304,112,772.26 - Step 4: Simplify right side
542,257,919.81x = 227,556,530,084,281,440 - Step 5: Solve for x
x = 227,556,530,084,281,440/542,257,919.81 - Step 6: Final answer
x = 419,646,300.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.