Finding the Fourth Proportional to 578,343,438.23, 798,113,944.75 and 330,824,792.48
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Solution
The fourth proportional to 578,343,438.23, 798,113,944.75 and 330,824,792.48 is: 456,538,213.62
Step by Step Solution
- Step 1: Write the proportion equation
578,343,438.23 : 798,113,944.75 = 330,824,792.48 : x - Step 2: Convert to fraction form
578,343,438.23/798,113,944.75 = 330,824,792.48/x - Step 3: Cross multiply
578,343,438.23x = 798,113,944.75 × 330,824,792.48 - Step 4: Simplify right side
578,343,438.23x = 264,035,880,147,312,960 - Step 5: Solve for x
x = 264,035,880,147,312,960/578,343,438.23 - Step 6: Final answer
x = 456,538,213.62
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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.