Finding the Fourth Proportional to 1,659,190,719.48, 2,488,754,041.98 and 495,447,726.84
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Solution
The fourth proportional to 1,659,190,719.48, 2,488,754,041.98 and 495,447,726.84 is: 743,162,023.68
Step by Step Solution
- Step 1: Write the proportion equation
1,659,190,719.48 : 2,488,754,041.98 = 495,447,726.84 : x - Step 2: Convert to fraction form
1,659,190,719.48/2,488,754,041.98 = 495,447,726.84/x - Step 3: Cross multiply
1,659,190,719.48x = 2,488,754,041.98 × 495,447,726.84 - Step 4: Simplify right side
1,659,190,719.48x = 1,233,047,532,762,852,864 - Step 5: Solve for x
x = 1,233,047,532,762,852,864/1,659,190,719.48 - Step 6: Final answer
x = 743,162,023.68
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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.