Finding the Fourth Proportional to 473,641,936, 710,454,846.12 and 141,649,704.88
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Solution
The fourth proportional to 473,641,936, 710,454,846.12 and 141,649,704.88 is: 212,472,147.49
Step by Step Solution
- Step 1: Write the proportion equation
473,641,936 : 710,454,846.12 = 141,649,704.88 : x - Step 2: Convert to fraction form
473,641,936/710,454,846.12 = 141,649,704.88/x - Step 3: Cross multiply
473,641,936x = 710,454,846.12 × 141,649,704.88 - Step 4: Simplify right side
473,641,936x = 100,635,719,283,463,808 - Step 5: Solve for x
x = 100,635,719,283,463,808/473,641,936 - Step 6: Final answer
x = 212,472,147.49
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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.