Finding the Fourth Proportional to 2,330,072,464.64, 3,215,438,605.44 and 1,287,008,533.76
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Solution
The fourth proportional to 2,330,072,464.64, 3,215,438,605.44 and 1,287,008,533.76 is: 1,776,037,864.82
Step by Step Solution
- Step 1: Write the proportion equation
2,330,072,464.64 : 3,215,438,605.44 = 1,287,008,533.76 : x - Step 2: Convert to fraction form
2,330,072,464.64/3,215,438,605.44 = 1,287,008,533.76/x - Step 3: Cross multiply
2,330,072,464.64x = 3,215,438,605.44 × 1,287,008,533.76 - Step 4: Simplify right side
2,330,072,464.64x = 4,138,296,924,982,633,472 - Step 5: Solve for x
x = 4,138,296,924,982,633,472/2,330,072,464.64 - Step 6: Final answer
x = 1,776,037,864.82
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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.