Finding the Fourth Proportional to 442,447,611.84, 663,703,303.68 and 169,818,378.72
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Solution
The fourth proportional to 442,447,611.84, 663,703,303.68 and 169,818,378.72 is: 254,739,806.40
Step by Step Solution
- Step 1: Write the proportion equation
442,447,611.84 : 663,703,303.68 = 169,818,378.72 : x - Step 2: Convert to fraction form
442,447,611.84/663,703,303.68 = 169,818,378.72/x - Step 3: Cross multiply
442,447,611.84x = 663,703,303.68 × 169,818,378.72 - Step 4: Simplify right side
442,447,611.84x = 112,709,018,982,045,392 - Step 5: Solve for x
x = 112,709,018,982,045,392/442,447,611.84 - Step 6: Final answer
x = 254,739,806.40
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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.