Finding the Fourth Proportional to 458,768,232.30, 633,101,317.74 and 249,925,896.66
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Solution
The fourth proportional to 458,768,232.30, 633,101,317.74 and 249,925,896.66 is: 344,898,367.79
Step by Step Solution
- Step 1: Write the proportion equation
458,768,232.30 : 633,101,317.74 = 249,925,896.66 : x - Step 2: Convert to fraction form
458,768,232.30/633,101,317.74 = 249,925,896.66/x - Step 3: Cross multiply
458,768,232.30x = 633,101,317.74 × 249,925,896.66 - Step 4: Simplify right side
458,768,232.30x = 158,228,414,512,797,056 - Step 5: Solve for x
x = 158,228,414,512,797,056/458,768,232.30 - Step 6: Final answer
x = 344,898,367.79
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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.