Finding the Fourth Proportional to 628,268,438.94, 866,999,868.08 and 346,037,161.94
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Solution
The fourth proportional to 628,268,438.94, 866,999,868.08 and 346,037,161.94 is: 477,525,457.51
Step by Step Solution
- Step 1: Write the proportion equation
628,268,438.94 : 866,999,868.08 = 346,037,161.94 : x - Step 2: Convert to fraction form
628,268,438.94/866,999,868.08 = 346,037,161.94/x - Step 3: Cross multiply
628,268,438.94x = 866,999,868.08 × 346,037,161.94 - Step 4: Simplify right side
628,268,438.94x = 300,014,173,746,692,416 - Step 5: Solve for x
x = 300,014,173,746,692,416/628,268,438.94 - Step 6: Final answer
x = 477,525,457.51
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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.