Finding the Fourth Proportional to 2,134,169,859, 2,945,154,405.42 and 1,157,421,315
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Solution
The fourth proportional to 2,134,169,859, 2,945,154,405.42 and 1,157,421,315 is: 1,597,241,414.70
Step by Step Solution
- Step 1: Write the proportion equation
2,134,169,859 : 2,945,154,405.42 = 1,157,421,315 : x - Step 2: Convert to fraction form
2,134,169,859/2,945,154,405.42 = 1,157,421,315/x - Step 3: Cross multiply
2,134,169,859x = 2,945,154,405.42 × 1,157,421,315 - Step 4: Simplify right side
2,134,169,859x = 3,408,784,484,799,259,648 - Step 5: Solve for x
x = 3,408,784,484,799,259,648/2,134,169,859 - Step 6: Final answer
x = 1,597,241,414.70
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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.