Finding the Fourth Proportional to 519,694,427.09, 717,001,752.86 and 296,515,779.14
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Solution
The fourth proportional to 519,694,427.09, 717,001,752.86 and 296,515,779.14 is: 409,091,039.49
Step by Step Solution
- Step 1: Write the proportion equation
519,694,427.09 : 717,001,752.86 = 296,515,779.14 : x - Step 2: Convert to fraction form
519,694,427.09/717,001,752.86 = 296,515,779.14/x - Step 3: Cross multiply
519,694,427.09x = 717,001,752.86 × 296,515,779.14 - Step 4: Simplify right side
519,694,427.09x = 212,602,333,394,338,528 - Step 5: Solve for x
x = 212,602,333,394,338,528/519,694,427.09 - Step 6: Final answer
x = 409,091,039.49
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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.