Finding the Fourth Proportional to 1,417,177,247.40, 2,125,765,871.10 and 896,790,220.20
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Solution
The fourth proportional to 1,417,177,247.40, 2,125,765,871.10 and 896,790,220.20 is: 1,345,185,330.30
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,247.40 : 2,125,765,871.10 = 896,790,220.20 : x - Step 2: Convert to fraction form
1,417,177,247.40/2,125,765,871.10 = 896,790,220.20/x - Step 3: Cross multiply
1,417,177,247.40x = 2,125,765,871.10 × 896,790,220.20 - Step 4: Simplify right side
1,417,177,247.40x = 1,906,366,043,637,413,888 - Step 5: Solve for x
x = 1,906,366,043,637,413,888/1,417,177,247.40 - Step 6: Final answer
x = 1,345,185,330.30
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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.