Finding the Fourth Proportional to 564,306,645.51, 778,744,975.50 and 313,410,992.31
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Solution
The fourth proportional to 564,306,645.51, 778,744,975.50 and 313,410,992.31 is: 432,508,171.70
Step by Step Solution
- Step 1: Write the proportion equation
564,306,645.51 : 778,744,975.50 = 313,410,992.31 : x - Step 2: Convert to fraction form
564,306,645.51/778,744,975.50 = 313,410,992.31/x - Step 3: Cross multiply
564,306,645.51x = 778,744,975.50 × 313,410,992.31 - Step 4: Simplify right side
564,306,645.51x = 244,067,235,527,881,632 - Step 5: Solve for x
x = 244,067,235,527,881,632/564,306,645.51 - Step 6: Final answer
x = 432,508,171.70
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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.