Finding the Fourth Proportional to 349,617,781.59, 482,472,465.44 and 192,984,847.26
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Solution
The fourth proportional to 349,617,781.59, 482,472,465.44 and 192,984,847.26 is: 266,319,048.84
Step by Step Solution
- Step 1: Write the proportion equation
349,617,781.59 : 482,472,465.44 = 192,984,847.26 : x - Step 2: Convert to fraction form
349,617,781.59/482,472,465.44 = 192,984,847.26/x - Step 3: Cross multiply
349,617,781.59x = 482,472,465.44 × 192,984,847.26 - Step 4: Simplify right side
349,617,781.59x = 93,109,875,049,129,104 - Step 5: Solve for x
x = 93,109,875,049,129,104/349,617,781.59 - Step 6: Final answer
x = 266,319,048.84
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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.