Finding the Fourth Proportional to 2,116,933,584.48, 2,921,734,007.46 and 1,225,351,903.14
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Solution
The fourth proportional to 2,116,933,584.48, 2,921,734,007.46 and 1,225,351,903.14 is: 1,691,197,283.07
Step by Step Solution
- Step 1: Write the proportion equation
2,116,933,584.48 : 2,921,734,007.46 = 1,225,351,903.14 : x - Step 2: Convert to fraction form
2,116,933,584.48/2,921,734,007.46 = 1,225,351,903.14/x - Step 3: Cross multiply
2,116,933,584.48x = 2,921,734,007.46 × 1,225,351,903.14 - Step 4: Simplify right side
2,116,933,584.48x = 3,580,152,326,509,970,432 - Step 5: Solve for x
x = 3,580,152,326,509,970,432/2,116,933,584.48 - Step 6: Final answer
x = 1,691,197,283.07
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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.