Finding the Fourth Proportional to 403,251,415.20, 604,877,122.80 and 403,251,415.20
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Solution
The fourth proportional to 403,251,415.20, 604,877,122.80 and 403,251,415.20 is: 604,877,122.80
Step by Step Solution
- Step 1: Write the proportion equation
403,251,415.20 : 604,877,122.80 = 403,251,415.20 : x - Step 2: Convert to fraction form
403,251,415.20/604,877,122.80 = 403,251,415.20/x - Step 3: Cross multiply
403,251,415.20x = 604,877,122.80 × 403,251,415.20 - Step 4: Simplify right side
403,251,415.20x = 243,917,555,791,204,160 - Step 5: Solve for x
x = 243,917,555,791,204,160/403,251,415.20 - Step 6: Final answer
x = 604,877,122.80
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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.