Finding the Fourth Proportional to 522,137,603.36, 783,295,634.68 and 215,261,962.40
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Solution
The fourth proportional to 522,137,603.36, 783,295,634.68 and 215,261,962.40 is: 322,929,730.35
Step by Step Solution
- Step 1: Write the proportion equation
522,137,603.36 : 783,295,634.68 = 215,261,962.40 : x - Step 2: Convert to fraction form
522,137,603.36/783,295,634.68 = 215,261,962.40/x - Step 3: Cross multiply
522,137,603.36x = 783,295,634.68 × 215,261,962.40 - Step 4: Simplify right side
522,137,603.36x = 168,613,755,460,570,304 - Step 5: Solve for x
x = 168,613,755,460,570,304/522,137,603.36 - Step 6: Final answer
x = 322,929,730.35
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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.