Finding the Fourth Proportional to 435,480,514.60, 653,220,771.90 and 432,457,205.80
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Solution
The fourth proportional to 435,480,514.60, 653,220,771.90 and 432,457,205.80 is: 648,685,808.70
Step by Step Solution
- Step 1: Write the proportion equation
435,480,514.60 : 653,220,771.90 = 432,457,205.80 : x - Step 2: Convert to fraction form
435,480,514.60/653,220,771.90 = 432,457,205.80/x - Step 3: Cross multiply
435,480,514.60x = 653,220,771.90 × 432,457,205.80 - Step 4: Simplify right side
435,480,514.60x = 282,490,029,786,393,152 - Step 5: Solve for x
x = 282,490,029,786,393,152/435,480,514.60 - Step 6: Final answer
x = 648,685,808.70
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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.