Finding the Fourth Proportional to 3,963,438,230.40, 5,945,157,345.60 and 2,657,368,828.80
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Solution
The fourth proportional to 3,963,438,230.40, 5,945,157,345.60 and 2,657,368,828.80 is: 3,986,053,243.20
Step by Step Solution
- Step 1: Write the proportion equation
3,963,438,230.40 : 5,945,157,345.60 = 2,657,368,828.80 : x - Step 2: Convert to fraction form
3,963,438,230.40/5,945,157,345.60 = 2,657,368,828.80/x - Step 3: Cross multiply
3,963,438,230.40x = 5,945,157,345.60 × 2,657,368,828.80 - Step 4: Simplify right side
3,963,438,230.40x = 15,798,475,812,508,790,784 - Step 5: Solve for x
x = 15,798,475,812,508,790,784/3,963,438,230.40 - Step 6: Final answer
x = 3,986,053,243.20
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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.