Finding the Fourth Proportional to 384,020,905.56, 529,950,245.67 and 207,808,882.62
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Solution
The fourth proportional to 384,020,905.56, 529,950,245.67 and 207,808,882.62 is: 286,777,013.44
Step by Step Solution
- Step 1: Write the proportion equation
384,020,905.56 : 529,950,245.67 = 207,808,882.62 : x - Step 2: Convert to fraction form
384,020,905.56/529,950,245.67 = 207,808,882.62/x - Step 3: Cross multiply
384,020,905.56x = 529,950,245.67 × 207,808,882.62 - Step 4: Simplify right side
384,020,905.56x = 110,128,368,396,877,200 - Step 5: Solve for x
x = 110,128,368,396,877,200/384,020,905.56 - Step 6: Final answer
x = 286,777,013.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.