Finding the Fourth Proportional to 538,801,027.30, 808,201,540.95 and 409,660,864.30
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Solution
The fourth proportional to 538,801,027.30, 808,201,540.95 and 409,660,864.30 is: 614,491,296.45
Step by Step Solution
- Step 1: Write the proportion equation
538,801,027.30 : 808,201,540.95 = 409,660,864.30 : x - Step 2: Convert to fraction form
538,801,027.30/808,201,540.95 = 409,660,864.30/x - Step 3: Cross multiply
538,801,027.30x = 808,201,540.95 × 409,660,864.30 - Step 4: Simplify right side
538,801,027.30x = 331,088,541,794,168,896 - Step 5: Solve for x
x = 331,088,541,794,168,896/538,801,027.30 - Step 6: Final answer
x = 614,491,296.45
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Similar ratio
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1.5x scale
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.