Finding the Fourth Proportional to 353,553,207.13, 487,859,213.28 and 204,871,626.41
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Solution
The fourth proportional to 353,553,207.13, 487,859,213.28 and 204,871,626.41 is: 282,697,224.82
Step by Step Solution
- Step 1: Write the proportion equation
353,553,207.13 : 487,859,213.28 = 204,871,626.41 : x - Step 2: Convert to fraction form
353,553,207.13/487,859,213.28 = 204,871,626.41/x - Step 3: Cross multiply
353,553,207.13x = 487,859,213.28 × 204,871,626.41 - Step 4: Simplify right side
353,553,207.13x = 99,948,510,484,489,184 - Step 5: Solve for x
x = 99,948,510,484,489,184/353,553,207.13 - Step 6: Final answer
x = 282,697,224.82
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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.