Finding the Fourth Proportional to 384,953,172.52, 577,199,159.47 and 122,524,366.99
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Solution
The fourth proportional to 384,953,172.52, 577,199,159.47 and 122,524,366.99 is: 183,713,154.45
Step by Step Solution
- Step 1: Write the proportion equation
384,953,172.52 : 577,199,159.47 = 122,524,366.99 : x - Step 2: Convert to fraction form
384,953,172.52/577,199,159.47 = 122,524,366.99/x - Step 3: Cross multiply
384,953,172.52x = 577,199,159.47 × 122,524,366.99 - Step 4: Simplify right side
384,953,172.52x = 70,720,961,639,931,976 - Step 5: Solve for x
x = 70,720,961,639,931,976/384,953,172.52 - Step 6: Final answer
x = 183,713,154.45
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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.