Finding the Fourth Proportional to 465,588,120.99, 642,527,117.91 and 253,906,501.26
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Solution
The fourth proportional to 465,588,120.99, 642,527,117.91 and 253,906,501.26 is: 350,399,430.57
Step by Step Solution
- Step 1: Write the proportion equation
465,588,120.99 : 642,527,117.91 = 253,906,501.26 : x - Step 2: Convert to fraction form
465,588,120.99/642,527,117.91 = 253,906,501.26/x - Step 3: Cross multiply
465,588,120.99x = 642,527,117.91 × 253,906,501.26 - Step 4: Simplify right side
465,588,120.99x = 163,141,812,473,199,584 - Step 5: Solve for x
x = 163,141,812,473,199,584/465,588,120.99 - Step 6: Final answer
x = 350,399,430.57
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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.