Finding the Fourth Proportional to 299,416,943.70, 449,125,415.55 and 169,974,537.30
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Solution
The fourth proportional to 299,416,943.70, 449,125,415.55 and 169,974,537.30 is: 254,961,805.95
Step by Step Solution
- Step 1: Write the proportion equation
299,416,943.70 : 449,125,415.55 = 169,974,537.30 : x - Step 2: Convert to fraction form
299,416,943.70/449,125,415.55 = 169,974,537.30/x - Step 3: Cross multiply
299,416,943.70x = 449,125,415.55 × 169,974,537.30 - Step 4: Simplify right side
299,416,943.70x = 76,339,884,697,781,488 - Step 5: Solve for x
x = 76,339,884,697,781,488/299,416,943.70 - Step 6: Final answer
x = 254,961,805.95
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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.