Finding the Fourth Proportional to 349,509,597.74, 482,334,829.62 and 190,748,413.91
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Solution
The fourth proportional to 349,509,597.74, 482,334,829.62 and 190,748,413.91 is: 263,239,133.68
Step by Step Solution
- Step 1: Write the proportion equation
349,509,597.74 : 482,334,829.62 = 190,748,413.91 : x - Step 2: Convert to fraction form
349,509,597.74/482,334,829.62 = 190,748,413.91/x - Step 3: Cross multiply
349,509,597.74x = 482,334,829.62 × 190,748,413.91 - Step 4: Simplify right side
349,509,597.74x = 92,004,603,723,565,088 - Step 5: Solve for x
x = 92,004,603,723,565,088/349,509,597.74 - Step 6: Final answer
x = 263,239,133.68
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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.