Finding the Fourth Proportional to 419,861,565.36, 579,524,204.16 and 243,706,312.62
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Solution
The fourth proportional to 419,861,565.36, 579,524,204.16 and 243,706,312.62 is: 336,381,604.13
Step by Step Solution
- Step 1: Write the proportion equation
419,861,565.36 : 579,524,204.16 = 243,706,312.62 : x - Step 2: Convert to fraction form
419,861,565.36/579,524,204.16 = 243,706,312.62/x - Step 3: Cross multiply
419,861,565.36x = 579,524,204.16 × 243,706,312.62 - Step 4: Simplify right side
419,861,565.36x = 141,233,706,869,873,664 - Step 5: Solve for x
x = 141,233,706,869,873,664/419,861,565.36 - Step 6: Final answer
x = 336,381,604.13
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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.