Finding the Fourth Proportional to 672,610,982.19, 928,203,733.30 and 375,253,270.48
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Solution
The fourth proportional to 672,610,982.19, 928,203,733.30 and 375,253,270.48 is: 517,849,835.66
Step by Step Solution
- Step 1: Write the proportion equation
672,610,982.19 : 928,203,733.30 = 375,253,270.48 : x - Step 2: Convert to fraction form
672,610,982.19/928,203,733.30 = 375,253,270.48/x - Step 3: Cross multiply
672,610,982.19x = 928,203,733.30 × 375,253,270.48 - Step 4: Simplify right side
672,610,982.19x = 348,311,486,588,272,448 - Step 5: Solve for x
x = 348,311,486,588,272,448/672,610,982.19 - Step 6: Final answer
x = 517,849,835.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.