Finding the Fourth Proportional to 1,812,592,986,311.30, 2,501,365,596,281.50 and 989,529,943,628.15
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Solution
The fourth proportional to 1,812,592,986,311.30, 2,501,365,596,281.50 and 989,529,943,628.15 is: 1,365,544,375,474.45
Step by Step Solution
- Step 1: Write the proportion equation
1,812,592,986,311.30 : 2,501,365,596,281.50 = 989,529,943,628.15 : x - Step 2: Convert to fraction form
1,812,592,986,311.30/2,501,365,596,281.50 = 989,529,943,628.15/x - Step 3: Cross multiply
1,812,592,986,311.30x = 2,501,365,596,281.50 × 989,529,943,628.15 - Step 4: Simplify right side
1,812,592,986,311.30x = 2,475,176,157,481,826,756,067,328 - Step 5: Solve for x
x = 2,475,176,157,481,826,756,067,328/1,812,592,986,311.30 - Step 6: Final answer
x = 1,365,544,375,474.45
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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.