Finding the Fourth Proportional to 653,640,690.34, 902,033,115.46 and 356,282,293.19
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Solution
The fourth proportional to 653,640,690.34, 902,033,115.46 and 356,282,293.19 is: 491,674,449.99
Step by Step Solution
- Step 1: Write the proportion equation
653,640,690.34 : 902,033,115.46 = 356,282,293.19 : x - Step 2: Convert to fraction form
653,640,690.34/902,033,115.46 = 356,282,293.19/x - Step 3: Cross multiply
653,640,690.34x = 902,033,115.46 × 356,282,293.19 - Step 4: Simplify right side
653,640,690.34x = 321,378,426,910,773,184 - Step 5: Solve for x
x = 321,378,426,910,773,184/653,640,690.34 - Step 6: Final answer
x = 491,674,449.99
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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.