Finding the Fourth Proportional to 356,243,325.80, 534,364,988.70 and 356,243,325.80
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Solution
The fourth proportional to 356,243,325.80, 534,364,988.70 and 356,243,325.80 is: 534,364,988.70
Step by Step Solution
- Step 1: Write the proportion equation
356,243,325.80 : 534,364,988.70 = 356,243,325.80 : x - Step 2: Convert to fraction form
356,243,325.80/534,364,988.70 = 356,243,325.80/x - Step 3: Cross multiply
356,243,325.80x = 534,364,988.70 × 356,243,325.80 - Step 4: Simplify right side
356,243,325.80x = 190,363,960,765,567,424 - Step 5: Solve for x
x = 190,363,960,765,567,424/356,243,325.80 - Step 6: Final answer
x = 534,364,988.70
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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.