Finding the Fourth Proportional to 737,186,718.02, 1,017,311,625.08 and 402,659,453.79
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Solution
The fourth proportional to 737,186,718.02, 1,017,311,625.08 and 402,659,453.79 is: 555,666,743.96
Step by Step Solution
- Step 1: Write the proportion equation
737,186,718.02 : 1,017,311,625.08 = 402,659,453.79 : x - Step 2: Convert to fraction form
737,186,718.02/1,017,311,625.08 = 402,659,453.79/x - Step 3: Cross multiply
737,186,718.02x = 1,017,311,625.08 × 402,659,453.79 - Step 4: Simplify right side
737,186,718.02x = 409,630,143,288,446,912 - Step 5: Solve for x
x = 409,630,143,288,446,912/737,186,718.02 - Step 6: Final answer
x = 555,666,743.96
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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.