Finding the Fourth Proportional to 498,432,830.70, 747,649,246.05 and 283,441,982.70
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Solution
The fourth proportional to 498,432,830.70, 747,649,246.05 and 283,441,982.70 is: 425,162,974.05
Step by Step Solution
- Step 1: Write the proportion equation
498,432,830.70 : 747,649,246.05 = 283,441,982.70 : x - Step 2: Convert to fraction form
498,432,830.70/747,649,246.05 = 283,441,982.70/x - Step 3: Cross multiply
498,432,830.70x = 747,649,246.05 × 283,441,982.70 - Step 4: Simplify right side
498,432,830.70x = 211,915,184,664,572,128 - Step 5: Solve for x
x = 211,915,184,664,572,128/498,432,830.70 - Step 6: Final answer
x = 425,162,974.05
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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.