Finding the Fourth Proportional to 1,812,592,960,863.10, 2,501,365,561,188.70 and 989,529,918,228.70
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Solution
The fourth proportional to 1,812,592,960,863.10, 2,501,365,561,188.70 and 989,529,918,228.70 is: 1,365,544,340,437.33
Step by Step Solution
- Step 1: Write the proportion equation
1,812,592,960,863.10 : 2,501,365,561,188.70 = 989,529,918,228.70 : x - Step 2: Convert to fraction form
1,812,592,960,863.10/2,501,365,561,188.70 = 989,529,918,228.70/x - Step 3: Cross multiply
1,812,592,960,863.10x = 2,501,365,561,188.70 × 989,529,918,228.70 - Step 4: Simplify right side
1,812,592,960,863.10x = 2,475,176,059,223,140,674,306,048 - Step 5: Solve for x
x = 2,475,176,059,223,140,674,306,048/1,812,592,960,863.10 - Step 6: Final answer
x = 1,365,544,340,437.33
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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.