Finding the Fourth Proportional to 384,927,223.70, 577,390,835.55 and 373,589,815.70
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Solution
The fourth proportional to 384,927,223.70, 577,390,835.55 and 373,589,815.70 is: 560,384,723.55
Step by Step Solution
- Step 1: Write the proportion equation
384,927,223.70 : 577,390,835.55 = 373,589,815.70 : x - Step 2: Convert to fraction form
384,927,223.70/577,390,835.55 = 373,589,815.70/x - Step 3: Cross multiply
384,927,223.70x = 577,390,835.55 × 373,589,815.70 - Step 4: Simplify right side
384,927,223.70x = 215,707,335,839,993,472 - Step 5: Solve for x
x = 215,707,335,839,993,472/384,927,223.70 - Step 6: Final answer
x = 560,384,723.55
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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.