Finding the Fourth Proportional to 1,306,425,835.62, 1,802,864,496.66 and 711,715,206.96
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Solution
The fourth proportional to 1,306,425,835.62, 1,802,864,496.66 and 711,715,206.96 is: 982,165,266.01
Step by Step Solution
- Step 1: Write the proportion equation
1,306,425,835.62 : 1,802,864,496.66 = 711,715,206.96 : x - Step 2: Convert to fraction form
1,306,425,835.62/1,802,864,496.66 = 711,715,206.96/x - Step 3: Cross multiply
1,306,425,835.62x = 1,802,864,496.66 × 711,715,206.96 - Step 4: Simplify right side
1,306,425,835.62x = 1,283,126,078,361,208,320 - Step 5: Solve for x
x = 1,283,126,078,361,208,320/1,306,425,835.62 - Step 6: Final answer
x = 982,165,266.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.