Finding the Fourth Proportional to 817,350,011.56, 1,225,296,089.34 and 299,659,817.80
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Solution
The fourth proportional to 817,350,011.56, 1,225,296,089.34 and 299,659,817.80 is: 449,222,484.48
Step by Step Solution
- Step 1: Write the proportion equation
817,350,011.56 : 1,225,296,089.34 = 299,659,817.80 : x - Step 2: Convert to fraction form
817,350,011.56/1,225,296,089.34 = 299,659,817.80/x - Step 3: Cross multiply
817,350,011.56x = 1,225,296,089.34 × 299,659,817.80 - Step 4: Simplify right side
817,350,011.56x = 367,172,002,882,676,928 - Step 5: Solve for x
x = 367,172,002,882,676,928/817,350,011.56 - Step 6: Final answer
x = 449,222,484.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.