Finding the Fourth Proportional to 3,748,344,888.32, 5,621,385,341.28 and 1,127,453,244.56
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Solution
The fourth proportional to 3,748,344,888.32, 5,621,385,341.28 and 1,127,453,244.56 is: 1,690,839,378.65
Step by Step Solution
- Step 1: Write the proportion equation
3,748,344,888.32 : 5,621,385,341.28 = 1,127,453,244.56 : x - Step 2: Convert to fraction form
3,748,344,888.32/5,621,385,341.28 = 1,127,453,244.56/x - Step 3: Cross multiply
3,748,344,888.32x = 5,621,385,341.28 × 1,127,453,244.56 - Step 4: Simplify right side
3,748,344,888.32x = 6,337,849,141,948,157,952 - Step 5: Solve for x
x = 6,337,849,141,948,157,952/3,748,344,888.32 - Step 6: Final answer
x = 1,690,839,378.65
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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.