Finding the Fourth Proportional to 516,224,325.36, 712,389,671.50 and 281,274,985.84
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Solution
The fourth proportional to 516,224,325.36, 712,389,671.50 and 281,274,985.84 is: 388,159,536.31
Step by Step Solution
- Step 1: Write the proportion equation
516,224,325.36 : 712,389,671.50 = 281,274,985.84 : x - Step 2: Convert to fraction form
516,224,325.36/712,389,671.50 = 281,274,985.84/x - Step 3: Cross multiply
516,224,325.36x = 712,389,671.50 × 281,274,985.84 - Step 4: Simplify right side
516,224,325.36x = 200,377,394,763,724,736 - Step 5: Solve for x
x = 200,377,394,763,724,736/516,224,325.36 - Step 6: Final answer
x = 388,159,536.31
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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.