Finding the Fourth Proportional to 498,204,021.30, 747,306,031.95 and 221,854,701.30
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Solution
The fourth proportional to 498,204,021.30, 747,306,031.95 and 221,854,701.30 is: 332,782,051.95
Step by Step Solution
- Step 1: Write the proportion equation
498,204,021.30 : 747,306,031.95 = 221,854,701.30 : x - Step 2: Convert to fraction form
498,204,021.30/747,306,031.95 = 221,854,701.30/x - Step 3: Cross multiply
498,204,021.30x = 747,306,031.95 × 221,854,701.30 - Step 4: Simplify right side
498,204,021.30x = 165,793,356,497,955,520 - Step 5: Solve for x
x = 165,793,356,497,955,520/498,204,021.30 - Step 6: Final answer
x = 332,782,051.95
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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.