Finding the Fourth Proportional to 2,932,237,813.80, 4,398,356,720.70 and 862,168,830.60
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Solution
The fourth proportional to 2,932,237,813.80, 4,398,356,720.70 and 862,168,830.60 is: 1,293,253,245.90
Step by Step Solution
- Step 1: Write the proportion equation
2,932,237,813.80 : 4,398,356,720.70 = 862,168,830.60 : x - Step 2: Convert to fraction form
2,932,237,813.80/4,398,356,720.70 = 862,168,830.60/x - Step 3: Cross multiply
2,932,237,813.80x = 4,398,356,720.70 × 862,168,830.60 - Step 4: Simplify right side
2,932,237,813.80x = 3,792,126,070,447,569,920 - Step 5: Solve for x
x = 3,792,126,070,447,569,920/2,932,237,813.80 - Step 6: Final answer
x = 1,293,253,245.90
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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.