Finding the Fourth Proportional to 501,553,007.26, 692,124,188.03 and 278,549,053.99
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Solution
The fourth proportional to 501,553,007.26, 692,124,188.03 and 278,549,053.99 is: 384,387,163.53
Step by Step Solution
- Step 1: Write the proportion equation
501,553,007.26 : 692,124,188.03 = 278,549,053.99 : x - Step 2: Convert to fraction form
501,553,007.26/692,124,188.03 = 278,549,053.99/x - Step 3: Cross multiply
501,553,007.26x = 692,124,188.03 × 278,549,053.99 - Step 4: Simplify right side
501,553,007.26x = 192,790,537,819,353,376 - Step 5: Solve for x
x = 192,790,537,819,353,376/501,553,007.26 - Step 6: Final answer
x = 384,387,163.53
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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.