Finding the Fourth Proportional to 4,427,509,844.37, 6,641,277,374.40 and 1,279,980,687.18
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Solution
The fourth proportional to 4,427,509,844.37, 6,641,277,374.40 and 1,279,980,687.18 is: 1,919,974,675.66
Step by Step Solution
- Step 1: Write the proportion equation
4,427,509,844.37 : 6,641,277,374.40 = 1,279,980,687.18 : x - Step 2: Convert to fraction form
4,427,509,844.37/6,641,277,374.40 = 1,279,980,687.18/x - Step 3: Cross multiply
4,427,509,844.37x = 6,641,277,374.40 × 1,279,980,687.18 - Step 4: Simplify right side
4,427,509,844.37x = 8,500,706,777,437,498,368 - Step 5: Solve for x
x = 8,500,706,777,437,498,368/4,427,509,844.37 - Step 6: Final answer
x = 1,919,974,675.66
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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.