Finding the Fourth Proportional to 514,080,270.96, 709,410,876.98 and 279,125,554.75
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Solution
The fourth proportional to 514,080,270.96, 709,410,876.98 and 279,125,554.75 is: 385,182,462.29
Step by Step Solution
- Step 1: Write the proportion equation
514,080,270.96 : 709,410,876.98 = 279,125,554.75 : x - Step 2: Convert to fraction form
514,080,270.96/709,410,876.98 = 279,125,554.75/x - Step 3: Cross multiply
514,080,270.96x = 709,410,876.98 × 279,125,554.75 - Step 4: Simplify right side
514,080,270.96x = 198,014,704,583,544,256 - Step 5: Solve for x
x = 198,014,704,583,544,256/514,080,270.96 - Step 6: Final answer
x = 385,182,462.29
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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.