Finding the Fourth Proportional to 498,204,037.80, 747,306,056.70 and 221,854,717.80
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Solution
The fourth proportional to 498,204,037.80, 747,306,056.70 and 221,854,717.80 is: 332,782,076.70
Step by Step Solution
- Step 1: Write the proportion equation
498,204,037.80 : 747,306,056.70 = 221,854,717.80 : x - Step 2: Convert to fraction form
498,204,037.80/747,306,056.70 = 221,854,717.80/x - Step 3: Cross multiply
498,204,037.80x = 747,306,056.70 × 221,854,717.80 - Step 4: Simplify right side
498,204,037.80x = 165,793,374,319,409,312 - Step 5: Solve for x
x = 165,793,374,319,409,312/498,204,037.80 - Step 6: Final answer
x = 332,782,076.70
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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.