Finding the Fourth Proportional to 664,302,617.20, 996,453,925.80 and 604,037,207.80
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Solution
The fourth proportional to 664,302,617.20, 996,453,925.80 and 604,037,207.80 is: 906,055,811.70
Step by Step Solution
- Step 1: Write the proportion equation
664,302,617.20 : 996,453,925.80 = 604,037,207.80 : x - Step 2: Convert to fraction form
664,302,617.20/996,453,925.80 = 604,037,207.80/x - Step 3: Cross multiply
664,302,617.20x = 996,453,925.80 × 604,037,207.80 - Step 4: Simplify right side
664,302,617.20x = 601,895,247,041,580,288 - Step 5: Solve for x
x = 601,895,247,041,580,288/664,302,617.20 - Step 6: Final answer
x = 906,055,811.70
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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.