Finding the Fourth Proportional to 257,997,225.70, 362,216,482.70 and 257,997,225.70
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Solution
The fourth proportional to 257,997,225.70, 362,216,482.70 and 257,997,225.70 is: 362,216,482.70
Step by Step Solution
- Step 1: Write the proportion equation
257,997,225.70 : 362,216,482.70 = 257,997,225.70 : x - Step 2: Convert to fraction form
257,997,225.70/362,216,482.70 = 257,997,225.70/x - Step 3: Cross multiply
257,997,225.70x = 362,216,482.70 × 257,997,225.70 - Step 4: Simplify right side
257,997,225.70x = 93,450,847,639,412,032 - Step 5: Solve for x
x = 93,450,847,639,412,032/257,997,225.70 - Step 6: Final answer
x = 362,216,482.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.