Finding the Fourth Proportional to 562,607,991.06, 776,399,027.67 and 315,089,345.31
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Solution
The fourth proportional to 562,607,991.06, 776,399,027.67 and 315,089,345.31 is: 434,823,296.53
Step by Step Solution
- Step 1: Write the proportion equation
562,607,991.06 : 776,399,027.67 = 315,089,345.31 : x - Step 2: Convert to fraction form
562,607,991.06/776,399,027.67 = 315,089,345.31/x - Step 3: Cross multiply
562,607,991.06x = 776,399,027.67 × 315,089,345.31 - Step 4: Simplify right side
562,607,991.06x = 244,635,061,327,860,864 - Step 5: Solve for x
x = 244,635,061,327,860,864/562,607,991.06 - Step 6: Final answer
x = 434,823,296.53
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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.