Finding the Fourth Proportional to 3,128,817,784.66, 4,693,228,362.29 and 1,163,415,485.14
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Solution
The fourth proportional to 3,128,817,784.66, 4,693,228,362.29 and 1,163,415,485.14 is: 1,745,123,854.37
Step by Step Solution
- Step 1: Write the proportion equation
3,128,817,784.66 : 4,693,228,362.29 = 1,163,415,485.14 : x - Step 2: Convert to fraction form
3,128,817,784.66/4,693,228,362.29 = 1,163,415,485.14/x - Step 3: Cross multiply
3,128,817,784.66x = 4,693,228,362.29 × 1,163,415,485.14 - Step 4: Simplify right side
3,128,817,784.66x = 5,460,174,551,977,603,072 - Step 5: Solve for x
x = 5,460,174,551,977,603,072/3,128,817,784.66 - Step 6: Final answer
x = 1,745,123,854.37
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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.