Finding the Fourth Proportional to 585,799,469.84, 808,349,833.80 and 347,603,601.68
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Solution
The fourth proportional to 585,799,469.84, 808,349,833.80 and 347,603,601.68 is: 479,661,263.13
Step by Step Solution
- Step 1: Write the proportion equation
585,799,469.84 : 808,349,833.80 = 347,603,601.68 : x - Step 2: Convert to fraction form
585,799,469.84/808,349,833.80 = 347,603,601.68/x - Step 3: Cross multiply
585,799,469.84x = 808,349,833.80 × 347,603,601.68 - Step 4: Simplify right side
585,799,469.84x = 280,985,313,646,309,376 - Step 5: Solve for x
x = 280,985,313,646,309,376/585,799,469.84 - Step 6: Final answer
x = 479,661,263.13
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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.