Finding the Fourth Proportional to 379,808,393.67, 569,706,372.14 and 121,020,115.05
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Solution
The fourth proportional to 379,808,393.67, 569,706,372.14 and 121,020,115.05 is: 181,528,191.19
Step by Step Solution
- Step 1: Write the proportion equation
379,808,393.67 : 569,706,372.14 = 121,020,115.05 : x - Step 2: Convert to fraction form
379,808,393.67/569,706,372.14 = 121,020,115.05/x - Step 3: Cross multiply
379,808,393.67x = 569,706,372.14 × 121,020,115.05 - Step 4: Simplify right side
379,808,393.67x = 68,945,930,700,495,808 - Step 5: Solve for x
x = 68,945,930,700,495,808/379,808,393.67 - Step 6: Final answer
x = 181,528,191.19
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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.