Finding the Fourth Proportional to 8,399,334,907.98, 12,590,201,726.35 and 3,913,731,394.48
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Solution
The fourth proportional to 8,399,334,907.98, 12,590,201,726.35 and 3,913,731,394.48 is: 5,866,496,371.32
Step by Step Solution
- Step 1: Write the proportion equation
8,399,334,907.98 : 12,590,201,726.35 = 3,913,731,394.48 : x - Step 2: Convert to fraction form
8,399,334,907.98/12,590,201,726.35 = 3,913,731,394.48/x - Step 3: Cross multiply
8,399,334,907.98x = 12,590,201,726.35 × 3,913,731,394.48 - Step 4: Simplify right side
8,399,334,907.98x = 49,274,667,759,169,765,376 - Step 5: Solve for x
x = 49,274,667,759,169,765,376/8,399,334,907.98 - Step 6: Final answer
x = 5,866,496,371.32
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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.