Finding the Fourth Proportional to 403,239,215.20, 604,858,822.80 and 403,239,215.20
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Solution
The fourth proportional to 403,239,215.20, 604,858,822.80 and 403,239,215.20 is: 604,858,822.80
Step by Step Solution
- Step 1: Write the proportion equation
403,239,215.20 : 604,858,822.80 = 403,239,215.20 : x - Step 2: Convert to fraction form
403,239,215.20/604,858,822.80 = 403,239,215.20/x - Step 3: Cross multiply
403,239,215.20x = 604,858,822.80 × 403,239,215.20 - Step 4: Simplify right side
403,239,215.20x = 243,902,797,012,667,840 - Step 5: Solve for x
x = 243,902,797,012,667,840/403,239,215.20 - Step 6: Final answer
x = 604,858,822.80
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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.