Finding the Fourth Proportional to 383,650,624.74, 529,416,124.36 and 216,376,888.18
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Solution
The fourth proportional to 383,650,624.74, 529,416,124.36 and 216,376,888.18 is: 298,587,845.70
Step by Step Solution
- Step 1: Write the proportion equation
383,650,624.74 : 529,416,124.36 = 216,376,888.18 : x - Step 2: Convert to fraction form
383,650,624.74/529,416,124.36 = 216,376,888.18/x - Step 3: Cross multiply
383,650,624.74x = 529,416,124.36 × 216,376,888.18 - Step 4: Simplify right side
383,650,624.74x = 114,553,413,542,563,520 - Step 5: Solve for x
x = 114,553,413,542,563,520/383,650,624.74 - Step 6: Final answer
x = 298,587,845.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.