Finding the Fourth Proportional to 527,388,874.74, 727,761,170.70 and 292,430,837.01
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Solution
The fourth proportional to 527,388,874.74, 727,761,170.70 and 292,430,837.01 is: 403,534,883.81
Step by Step Solution
- Step 1: Write the proportion equation
527,388,874.74 : 727,761,170.70 = 292,430,837.01 : x - Step 2: Convert to fraction form
527,388,874.74/727,761,170.70 = 292,430,837.01/x - Step 3: Cross multiply
527,388,874.74x = 727,761,170.70 × 292,430,837.01 - Step 4: Simplify right side
527,388,874.74x = 212,819,808,291,178,496 - Step 5: Solve for x
x = 212,819,808,291,178,496/527,388,874.74 - Step 6: Final answer
x = 403,534,883.81
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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.