Finding the Fourth Proportional to 532,932,349.70, 800,742,217.35 and 338,936,701.70
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Solution
The fourth proportional to 532,932,349.70, 800,742,217.35 and 338,936,701.70 is: 509,259,620.31
Step by Step Solution
- Step 1: Write the proportion equation
532,932,349.70 : 800,742,217.35 = 338,936,701.70 : x - Step 2: Convert to fraction form
532,932,349.70/800,742,217.35 = 338,936,701.70/x - Step 3: Cross multiply
532,932,349.70x = 800,742,217.35 × 338,936,701.70 - Step 4: Simplify right side
532,932,349.70x = 271,400,926,060,553,504 - Step 5: Solve for x
x = 271,400,926,060,553,504/532,932,349.70 - Step 6: Final answer
x = 509,259,620.31
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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.