Finding the Fourth Proportional to 473,640,266.98, 710,561,811.66 and 141,673,349.98
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Solution
The fourth proportional to 473,640,266.98, 710,561,811.66 and 141,673,349.98 is: 212,540,358.67
Step by Step Solution
- Step 1: Write the proportion equation
473,640,266.98 : 710,561,811.66 = 141,673,349.98 : x - Step 2: Convert to fraction form
473,640,266.98/710,561,811.66 = 141,673,349.98/x - Step 3: Cross multiply
473,640,266.98x = 710,561,811.66 × 141,673,349.98 - Step 4: Simplify right side
473,640,266.98x = 100,667,672,225,730,016 - Step 5: Solve for x
x = 100,667,672,225,730,016/473,640,266.98 - Step 6: Final answer
x = 212,540,358.67
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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.