Finding the Fourth Proportional to 783,621,339.04, 1,175,432,002.08 and 285,669,197.44
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Solution
The fourth proportional to 783,621,339.04, 1,175,432,002.08 and 285,669,197.44 is: 428,503,793.80
Step by Step Solution
- Step 1: Write the proportion equation
783,621,339.04 : 1,175,432,002.08 = 285,669,197.44 : x - Step 2: Convert to fraction form
783,621,339.04/1,175,432,002.08 = 285,669,197.44/x - Step 3: Cross multiply
783,621,339.04x = 1,175,432,002.08 × 285,669,197.44 - Step 4: Simplify right side
783,621,339.04x = 335,784,716,679,486,016 - Step 5: Solve for x
x = 335,784,716,679,486,016/783,621,339.04 - Step 6: Final answer
x = 428,503,793.80
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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.