Finding the Fourth Proportional to 1,603,611,592,610.90, 2,213,025,939,438.30 and 872,042,785,837.02
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Solution
The fourth proportional to 1,603,611,592,610.90, 2,213,025,939,438.30 and 872,042,785,837.02 is: 1,203,441,852,285.00
Step by Step Solution
- Step 1: Write the proportion equation
1,603,611,592,610.90 : 2,213,025,939,438.30 = 872,042,785,837.02 : x - Step 2: Convert to fraction form
1,603,611,592,610.90/2,213,025,939,438.30 = 872,042,785,837.02/x - Step 3: Cross multiply
1,603,611,592,610.90x = 2,213,025,939,438.30 × 872,042,785,837.02 - Step 4: Simplify right side
1,603,611,592,610.90x = 1,929,853,305,357,363,218,219,008 - Step 5: Solve for x
x = 1,929,853,305,357,363,218,219,008/1,603,611,592,610.90 - Step 6: Final answer
x = 1,203,441,852,285.00
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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.