Finding the Fourth Proportional to 297,301,127.80, 445,951,691.70 and 220,773,623.80
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Solution
The fourth proportional to 297,301,127.80, 445,951,691.70 and 220,773,623.80 is: 331,160,435.70
Step by Step Solution
- Step 1: Write the proportion equation
297,301,127.80 : 445,951,691.70 = 220,773,623.80 : x - Step 2: Convert to fraction form
297,301,127.80/445,951,691.70 = 220,773,623.80/x - Step 3: Cross multiply
297,301,127.80x = 445,951,691.70 × 220,773,623.80 - Step 4: Simplify right side
297,301,127.80x = 98,454,371,016,349,392 - Step 5: Solve for x
x = 98,454,371,016,349,392/297,301,127.80 - Step 6: Final answer
x = 331,160,435.70
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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.