Finding the Fourth Proportional to 498,204,025.80, 747,306,038.70 and 221,854,705.80
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Solution
The fourth proportional to 498,204,025.80, 747,306,038.70 and 221,854,705.80 is: 332,782,058.70
Step by Step Solution
- Step 1: Write the proportion equation
498,204,025.80 : 747,306,038.70 = 221,854,705.80 : x - Step 2: Convert to fraction form
498,204,025.80/747,306,038.70 = 221,854,705.80/x - Step 3: Cross multiply
498,204,025.80x = 747,306,038.70 × 221,854,705.80 - Step 4: Simplify right side
498,204,025.80x = 165,793,361,358,351,936 - Step 5: Solve for x
x = 165,793,361,358,351,936/498,204,025.80 - Step 6: Final answer
x = 332,782,058.70
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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.