Finding the Fourth Proportional to 1,146,972,370.65, 1,582,248,869.73 and 724,110,108.09
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Solution
The fourth proportional to 1,146,972,370.65, 1,582,248,869.73 and 724,110,108.09 is: 998,910,199.93
Step by Step Solution
- Step 1: Write the proportion equation
1,146,972,370.65 : 1,582,248,869.73 = 724,110,108.09 : x - Step 2: Convert to fraction form
1,146,972,370.65/1,582,248,869.73 = 724,110,108.09/x - Step 3: Cross multiply
1,146,972,370.65x = 1,582,248,869.73 × 724,110,108.09 - Step 4: Simplify right side
1,146,972,370.65x = 1,145,722,400,087,783,424 - Step 5: Solve for x
x = 1,145,722,400,087,783,424/1,146,972,370.65 - Step 6: Final answer
x = 998,910,199.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.