Finding the Fourth Proportional to 498,432,153.70, 747,648,230.55 and 283,441,305.70
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Solution
The fourth proportional to 498,432,153.70, 747,648,230.55 and 283,441,305.70 is: 425,161,958.55
Step by Step Solution
- Step 1: Write the proportion equation
498,432,153.70 : 747,648,230.55 = 283,441,305.70 : x - Step 2: Convert to fraction form
498,432,153.70/747,648,230.55 = 283,441,305.70/x - Step 3: Cross multiply
498,432,153.70x = 747,648,230.55 × 283,441,305.70 - Step 4: Simplify right side
498,432,153.70x = 211,914,390,671,386,592 - Step 5: Solve for x
x = 211,914,390,671,386,592/498,432,153.70 - Step 6: Final answer
x = 425,161,958.55
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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.