Finding the Fourth Proportional to 524,509,618.56, 723,804,313.62 and 289,555,244.07
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Solution
The fourth proportional to 524,509,618.56, 723,804,313.62 and 289,555,244.07 is: 399,575,769.96
Step by Step Solution
- Step 1: Write the proportion equation
524,509,618.56 : 723,804,313.62 = 289,555,244.07 : x - Step 2: Convert to fraction form
524,509,618.56/723,804,313.62 = 289,555,244.07/x - Step 3: Cross multiply
524,509,618.56x = 723,804,313.62 × 289,555,244.07 - Step 4: Simplify right side
524,509,618.56x = 209,581,334,689,157,920 - Step 5: Solve for x
x = 209,581,334,689,157,920/524,509,618.56 - Step 6: Final answer
x = 399,575,769.96
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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.