Finding the Fourth Proportional to 521,295,304.35, 782,226,391.73 and 214,618,417.95
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Solution
The fourth proportional to 521,295,304.35, 782,226,391.73 and 214,618,417.95 is: 322,044,317.82
Step by Step Solution
- Step 1: Write the proportion equation
521,295,304.35 : 782,226,391.73 = 214,618,417.95 : x - Step 2: Convert to fraction form
521,295,304.35/782,226,391.73 = 214,618,417.95/x - Step 3: Cross multiply
521,295,304.35x = 782,226,391.73 × 214,618,417.95 - Step 4: Simplify right side
521,295,304.35x = 167,880,190,670,756,480 - Step 5: Solve for x
x = 167,880,190,670,756,480/521,295,304.35 - Step 6: Final answer
x = 322,044,317.82
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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.