Finding the Fourth Proportional to 1,617,712,086.24, 2,232,420,936.42 and 903,258,749.07
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Solution
The fourth proportional to 1,617,712,086.24, 2,232,420,936.42 and 903,258,749.07 is: 1,246,484,933.62
Step by Step Solution
- Step 1: Write the proportion equation
1,617,712,086.24 : 2,232,420,936.42 = 903,258,749.07 : x - Step 2: Convert to fraction form
1,617,712,086.24/2,232,420,936.42 = 903,258,749.07/x - Step 3: Cross multiply
1,617,712,086.24x = 2,232,420,936.42 × 903,258,749.07 - Step 4: Simplify right side
1,617,712,086.24x = 2,016,453,742,428,407,296 - Step 5: Solve for x
x = 2,016,453,742,428,407,296/1,617,712,086.24 - Step 6: Final answer
x = 1,246,484,933.62
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1.5x scale
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.