Finding the Fourth Proportional to 424,168,368.15, 634,817,661.53 and 372,512,302.95
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Solution
The fourth proportional to 424,168,368.15, 634,817,661.53 and 372,512,302.95 is: 557,508,307.56
Step by Step Solution
- Step 1: Write the proportion equation
424,168,368.15 : 634,817,661.53 = 372,512,302.95 : x - Step 2: Convert to fraction form
424,168,368.15/634,817,661.53 = 372,512,302.95/x - Step 3: Cross multiply
424,168,368.15x = 634,817,661.53 × 372,512,302.95 - Step 4: Simplify right side
424,168,368.15x = 236,477,389,048,011,328 - Step 5: Solve for x
x = 236,477,389,048,011,328/424,168,368.15 - Step 6: Final answer
x = 557,508,307.56
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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.