Finding the Fourth Proportional to 318,086,039.30, 477,129,058.95 and 236,456,701.70
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Solution
The fourth proportional to 318,086,039.30, 477,129,058.95 and 236,456,701.70 is: 354,685,052.55
Step by Step Solution
- Step 1: Write the proportion equation
318,086,039.30 : 477,129,058.95 = 236,456,701.70 : x - Step 2: Convert to fraction form
318,086,039.30/477,129,058.95 = 236,456,701.70/x - Step 3: Cross multiply
318,086,039.30x = 477,129,058.95 × 236,456,701.70 - Step 4: Simplify right side
318,086,039.30x = 112,820,363,564,541,856 - Step 5: Solve for x
x = 112,820,363,564,541,856/318,086,039.30 - Step 6: Final answer
x = 354,685,052.55
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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.