Finding the Fourth Proportional to 475,414,014.24, 655,829,885.52 and 310,498,117.92
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Solution
The fourth proportional to 475,414,014.24, 655,829,885.52 and 310,498,117.92 is: 428,329,706.38
Step by Step Solution
- Step 1: Write the proportion equation
475,414,014.24 : 655,829,885.52 = 310,498,117.92 : x - Step 2: Convert to fraction form
475,414,014.24/655,829,885.52 = 310,498,117.92/x - Step 3: Cross multiply
475,414,014.24x = 655,829,885.52 × 310,498,117.92 - Step 4: Simplify right side
475,414,014.24x = 203,633,945,129,649,056 - Step 5: Solve for x
x = 203,633,945,129,649,056/475,414,014.24 - Step 6: Final answer
x = 428,329,706.38
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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.