Finding the Fourth Proportional to 1,332,967,330.77, 1,999,583,026.04 and 492,830,356.08
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Solution
The fourth proportional to 1,332,967,330.77, 1,999,583,026.04 and 492,830,356.08 is: 739,294,348.77
Step by Step Solution
- Step 1: Write the proportion equation
1,332,967,330.77 : 1,999,583,026.04 = 492,830,356.08 : x - Step 2: Convert to fraction form
1,332,967,330.77/1,999,583,026.04 = 492,830,356.08/x - Step 3: Cross multiply
1,332,967,330.77x = 1,999,583,026.04 × 492,830,356.08 - Step 4: Simplify right side
1,332,967,330.77x = 985,455,214,740,147,072 - Step 5: Solve for x
x = 985,455,214,740,147,072/1,332,967,330.77 - Step 6: Final answer
x = 739,294,348.77
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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.