Finding the Fourth Proportional to 468,444,316.62, 646,460,226.73 and 256,749,453.48
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Solution
The fourth proportional to 468,444,316.62, 646,460,226.73 and 256,749,453.48 is: 354,318,120.68
Step by Step Solution
- Step 1: Write the proportion equation
468,444,316.62 : 646,460,226.73 = 256,749,453.48 : x - Step 2: Convert to fraction form
468,444,316.62/646,460,226.73 = 256,749,453.48/x - Step 3: Cross multiply
468,444,316.62x = 646,460,226.73 × 256,749,453.48 - Step 4: Simplify right side
468,444,316.62x = 165,978,309,909,484,384 - Step 5: Solve for x
x = 165,978,309,909,484,384/468,444,316.62 - Step 6: Final answer
x = 354,318,120.68
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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.