Finding the Fourth Proportional to 314,928,862.80, 472,393,294.20 and 303,449,737.20
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Solution
The fourth proportional to 314,928,862.80, 472,393,294.20 and 303,449,737.20 is: 455,174,605.80
Step by Step Solution
- Step 1: Write the proportion equation
314,928,862.80 : 472,393,294.20 = 303,449,737.20 : x - Step 2: Convert to fraction form
314,928,862.80/472,393,294.20 = 303,449,737.20/x - Step 3: Cross multiply
314,928,862.80x = 472,393,294.20 × 303,449,737.20 - Step 4: Simplify right side
314,928,862.80x = 143,347,620,980,032,272 - Step 5: Solve for x
x = 143,347,620,980,032,272/314,928,862.80 - Step 6: Final answer
x = 455,174,605.80
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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.