Finding the Fourth Proportional to 316,533,417.20, 474,800,125.80 and 195,601,065.20
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Solution
The fourth proportional to 316,533,417.20, 474,800,125.80 and 195,601,065.20 is: 293,401,597.80
Step by Step Solution
- Step 1: Write the proportion equation
316,533,417.20 : 474,800,125.80 = 195,601,065.20 : x - Step 2: Convert to fraction form
316,533,417.20/474,800,125.80 = 195,601,065.20/x - Step 3: Cross multiply
316,533,417.20x = 474,800,125.80 × 195,601,065.20 - Step 4: Simplify right side
316,533,417.20x = 92,871,410,363,574,000 - Step 5: Solve for x
x = 92,871,410,363,574,000/316,533,417.20 - Step 6: Final answer
x = 293,401,597.80
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1.5x scale
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.