Finding the Fourth Proportional to 974,457,349.98, 1,461,771,959.49 and 274,955,620.56
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Solution
The fourth proportional to 974,457,349.98, 1,461,771,959.49 and 274,955,620.56 is: 412,457,678.37
Step by Step Solution
- Step 1: Write the proportion equation
974,457,349.98 : 1,461,771,959.49 = 274,955,620.56 : x - Step 2: Convert to fraction form
974,457,349.98/1,461,771,959.49 = 274,955,620.56/x - Step 3: Cross multiply
974,457,349.98x = 1,461,771,959.49 × 274,955,620.56 - Step 4: Simplify right side
974,457,349.98x = 401,922,416,238,780,160 - Step 5: Solve for x
x = 401,922,416,238,780,160/974,457,349.98 - Step 6: Final answer
x = 412,457,678.37
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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.