Finding the Fourth Proportional to 763,973,187.04, 1,145,958,349.74 and 239,382,448.24
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Solution
The fourth proportional to 763,973,187.04, 1,145,958,349.74 and 239,382,448.24 is: 359,073,224.03
Step by Step Solution
- Step 1: Write the proportion equation
763,973,187.04 : 1,145,958,349.74 = 239,382,448.24 : x - Step 2: Convert to fraction form
763,973,187.04/1,145,958,349.74 = 239,382,448.24/x - Step 3: Cross multiply
763,973,187.04x = 1,145,958,349.74 × 239,382,448.24 - Step 4: Simplify right side
763,973,187.04x = 274,322,315,341,831,392 - Step 5: Solve for x
x = 274,322,315,341,831,392/763,973,187.04 - Step 6: Final answer
x = 359,073,224.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.