Finding the Fourth Proportional to 316,403,311.20, 474,604,966.80 and 316,403,311.20
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Solution
The fourth proportional to 316,403,311.20, 474,604,966.80 and 316,403,311.20 is: 474,604,966.80
Step by Step Solution
- Step 1: Write the proportion equation
316,403,311.20 : 474,604,966.80 = 316,403,311.20 : x - Step 2: Convert to fraction form
316,403,311.20/474,604,966.80 = 316,403,311.20/x - Step 3: Cross multiply
316,403,311.20x = 474,604,966.80 × 316,403,311.20 - Step 4: Simplify right side
316,403,311.20x = 150,166,583,007,486,080 - Step 5: Solve for x
x = 150,166,583,007,486,080/316,403,311.20 - Step 6: Final answer
x = 474,604,966.80
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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.