Finding the Fourth Proportional to 571,899,338.84, 857,457,379.26 and 291,236,970.68
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Solution
The fourth proportional to 571,899,338.84, 857,457,379.26 and 291,236,970.68 is: 436,656,020.85
Step by Step Solution
- Step 1: Write the proportion equation
571,899,338.84 : 857,457,379.26 = 291,236,970.68 : x - Step 2: Convert to fraction form
571,899,338.84/857,457,379.26 = 291,236,970.68/x - Step 3: Cross multiply
571,899,338.84x = 857,457,379.26 × 291,236,970.68 - Step 4: Simplify right side
571,899,338.84x = 249,723,289,622,894,272 - Step 5: Solve for x
x = 249,723,289,622,894,272/571,899,338.84 - Step 6: Final answer
x = 436,656,020.85
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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.