Finding the Fourth Proportional to 4,621,787,533.12, 6,378,066,795.84 and 2,641,680,882.88
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Solution
The fourth proportional to 4,621,787,533.12, 6,378,066,795.84 and 2,641,680,882.88 is: 3,645,519,618.45
Step by Step Solution
- Step 1: Write the proportion equation
4,621,787,533.12 : 6,378,066,795.84 = 2,641,680,882.88 : x - Step 2: Convert to fraction form
4,621,787,533.12/6,378,066,795.84 = 2,641,680,882.88/x - Step 3: Cross multiply
4,621,787,533.12x = 6,378,066,795.84 × 2,641,680,882.88 - Step 4: Simplify right side
4,621,787,533.12x = 16,848,817,124,302,225,408 - Step 5: Solve for x
x = 16,848,817,124,302,225,408/4,621,787,533.12 - Step 6: Final answer
x = 3,645,519,618.45
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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.