Finding the Fourth Proportional to 514,751,723.26, 772,132,973.11 and 203,934,985.28
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Solution
The fourth proportional to 514,751,723.26, 772,132,973.11 and 203,934,985.28 is: 305,904,612.63
Step by Step Solution
- Step 1: Write the proportion equation
514,751,723.26 : 772,132,973.11 = 203,934,985.28 : x - Step 2: Convert to fraction form
514,751,723.26/772,132,973.11 = 203,934,985.28/x - Step 3: Cross multiply
514,751,723.26x = 772,132,973.11 × 203,934,985.28 - Step 4: Simplify right side
514,751,723.26x = 157,464,926,505,390,496 - Step 5: Solve for x
x = 157,464,926,505,390,496/514,751,723.26 - Step 6: Final answer
x = 305,904,612.63
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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.