Finding the Fourth Proportional to 477,466,636.50, 716,199,915.87 and 132,420,259.08
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Solution
The fourth proportional to 477,466,636.50, 716,199,915.87 and 132,420,259.08 is: 198,630,377.84
Step by Step Solution
- Step 1: Write the proportion equation
477,466,636.50 : 716,199,915.87 = 132,420,259.08 : x - Step 2: Convert to fraction form
477,466,636.50/716,199,915.87 = 132,420,259.08/x - Step 3: Cross multiply
477,466,636.50x = 716,199,915.87 × 132,420,259.08 - Step 4: Simplify right side
477,466,636.50x = 94,839,378,412,579,600 - Step 5: Solve for x
x = 94,839,378,412,579,600/477,466,636.50 - Step 6: Final answer
x = 198,630,377.84
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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.