Finding the Fourth Proportional to 789,473,347.98, 1,089,430,058.28 and 432,172,004.28
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Solution
The fourth proportional to 789,473,347.98, 1,089,430,058.28 and 432,172,004.28 is: 596,373,738.28
Step by Step Solution
- Step 1: Write the proportion equation
789,473,347.98 : 1,089,430,058.28 = 432,172,004.28 : x - Step 2: Convert to fraction form
789,473,347.98/1,089,430,058.28 = 432,172,004.28/x - Step 3: Cross multiply
789,473,347.98x = 1,089,430,058.28 × 432,172,004.28 - Step 4: Simplify right side
789,473,347.98x = 470,821,171,807,301,632 - Step 5: Solve for x
x = 470,821,171,807,301,632/789,473,347.98 - Step 6: Final answer
x = 596,373,738.28
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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.