Finding the Fourth Proportional to 581,529,319.13, 872,301,576.63 and 193,352,149.49
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Solution
The fourth proportional to 581,529,319.13, 872,301,576.63 and 193,352,149.49 is: 290,030,750.47
Step by Step Solution
- Step 1: Write the proportion equation
581,529,319.13 : 872,301,576.63 = 193,352,149.49 : x - Step 2: Convert to fraction form
581,529,319.13/872,301,576.63 = 193,352,149.49/x - Step 3: Cross multiply
581,529,319.13x = 872,301,576.63 × 193,352,149.49 - Step 4: Simplify right side
581,529,319.13x = 168,661,384,844,926,464 - Step 5: Solve for x
x = 168,661,384,844,926,464/581,529,319.13 - Step 6: Final answer
x = 290,030,750.47
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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.