Finding the Fourth Proportional to 477,187,220.88, 715,773,639.74 and 214,686,393.12
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Solution
The fourth proportional to 477,187,220.88, 715,773,639.74 and 214,686,393.12 is: 322,026,354.19
Step by Step Solution
- Step 1: Write the proportion equation
477,187,220.88 : 715,773,639.74 = 214,686,393.12 : x - Step 2: Convert to fraction form
477,187,220.88/715,773,639.74 = 214,686,393.12/x - Step 3: Cross multiply
477,187,220.88x = 715,773,639.74 × 214,686,393.12 - Step 4: Simplify right side
477,187,220.88x = 153,666,861,005,081,472 - Step 5: Solve for x
x = 153,666,861,005,081,472/477,187,220.88 - Step 6: Final answer
x = 322,026,354.19
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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.