Finding the Fourth Proportional to 282,527,602.85, 389,909,907.46 and 169,501,332.99
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Solution
The fourth proportional to 282,527,602.85, 389,909,907.46 and 169,501,332.99 is: 233,924,927.67
Step by Step Solution
- Step 1: Write the proportion equation
282,527,602.85 : 389,909,907.46 = 169,501,332.99 : x - Step 2: Convert to fraction form
282,527,602.85/389,909,907.46 = 169,501,332.99/x - Step 3: Cross multiply
282,527,602.85x = 389,909,907.46 × 169,501,332.99 - Step 4: Simplify right side
282,527,602.85x = 66,090,249,062,363,456 - Step 5: Solve for x
x = 66,090,249,062,363,456/282,527,602.85 - Step 6: Final answer
x = 233,924,927.67
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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.