Finding the Fourth Proportional to 542,300,133.84, 812,769,373.05 and 293,295,472.62
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Solution
The fourth proportional to 542,300,133.84, 812,769,373.05 and 293,295,472.62 is: 439,574,992.75
Step by Step Solution
- Step 1: Write the proportion equation
542,300,133.84 : 812,769,373.05 = 293,295,472.62 : x - Step 2: Convert to fraction form
542,300,133.84/812,769,373.05 = 293,295,472.62/x - Step 3: Cross multiply
542,300,133.84x = 812,769,373.05 × 293,295,472.62 - Step 4: Simplify right side
542,300,133.84x = 238,381,577,399,760,832 - Step 5: Solve for x
x = 238,381,577,399,760,832/542,300,133.84 - Step 6: Final answer
x = 439,574,992.75
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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.