Finding the Fourth Proportional to 493,448,434.40, 740,172,651.60 and 415,964,336.60
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Solution
The fourth proportional to 493,448,434.40, 740,172,651.60 and 415,964,336.60 is: 623,946,504.90
Step by Step Solution
- Step 1: Write the proportion equation
493,448,434.40 : 740,172,651.60 = 415,964,336.60 : x - Step 2: Convert to fraction form
493,448,434.40/740,172,651.60 = 415,964,336.60/x - Step 3: Cross multiply
493,448,434.40x = 740,172,651.60 × 415,964,336.60 - Step 4: Simplify right side
493,448,434.40x = 307,885,425,992,256,960 - Step 5: Solve for x
x = 307,885,425,992,256,960/493,448,434.40 - Step 6: Final answer
x = 623,946,504.90
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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.