Finding the Fourth Proportional to 2,679,812,460.92, 3,698,120,787.34 and 1,474,127,811.28
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Solution
The fourth proportional to 2,679,812,460.92, 3,698,120,787.34 and 1,474,127,811.28 is: 2,034,285,153.00
Step by Step Solution
- Step 1: Write the proportion equation
2,679,812,460.92 : 3,698,120,787.34 = 1,474,127,811.28 : x - Step 2: Convert to fraction form
2,679,812,460.92/3,698,120,787.34 = 1,474,127,811.28/x - Step 3: Cross multiply
2,679,812,460.92x = 3,698,120,787.34 × 1,474,127,811.28 - Step 4: Simplify right side
2,679,812,460.92x = 5,451,502,702,072,094,720 - Step 5: Solve for x
x = 5,451,502,702,072,094,720/2,679,812,460.92 - Step 6: Final answer
x = 2,034,285,153.00
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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.