Finding the Fourth Proportional to 268,272,895.80, 402,409,343.70 and 268,272,895.80
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Solution
The fourth proportional to 268,272,895.80, 402,409,343.70 and 268,272,895.80 is: 402,409,343.70
Step by Step Solution
- Step 1: Write the proportion equation
268,272,895.80 : 402,409,343.70 = 268,272,895.80 : x - Step 2: Convert to fraction form
268,272,895.80/402,409,343.70 = 268,272,895.80/x - Step 3: Cross multiply
268,272,895.80x = 402,409,343.70 × 268,272,895.80 - Step 4: Simplify right side
268,272,895.80x = 107,955,519,931,376,496 - Step 5: Solve for x
x = 107,955,519,931,376,496/268,272,895.80 - Step 6: Final answer
x = 402,409,343.70
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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.