Finding the Fourth Proportional to 349,617,860.36, 482,472,574.40 and 192,984,926.48
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Solution
The fourth proportional to 349,617,860.36, 482,472,574.40 and 192,984,926.48 is: 266,319,158.30
Step by Step Solution
- Step 1: Write the proportion equation
349,617,860.36 : 482,472,574.40 = 192,984,926.48 : x - Step 2: Convert to fraction form
349,617,860.36/482,472,574.40 = 192,984,926.48/x - Step 3: Cross multiply
349,617,860.36x = 482,472,574.40 × 192,984,926.48 - Step 4: Simplify right side
349,617,860.36x = 93,109,934,299,200,320 - Step 5: Solve for x
x = 93,109,934,299,200,320/349,617,860.36 - Step 6: Final answer
x = 266,319,158.30
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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.