Finding the Fourth Proportional to 5,548,667,541.36, 8,317,175,118.12 and 1,866,894,681.84
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Solution
The fourth proportional to 5,548,667,541.36, 8,317,175,118.12 and 1,866,894,681.84 is: 2,798,381,752.05
Step by Step Solution
- Step 1: Write the proportion equation
5,548,667,541.36 : 8,317,175,118.12 = 1,866,894,681.84 : x - Step 2: Convert to fraction form
5,548,667,541.36/8,317,175,118.12 = 1,866,894,681.84/x - Step 3: Cross multiply
5,548,667,541.36x = 8,317,175,118.12 × 1,866,894,681.84 - Step 4: Simplify right side
5,548,667,541.36x = 15,527,289,995,950,200,832 - Step 5: Solve for x
x = 15,527,289,995,950,200,832/5,548,667,541.36 - Step 6: Final answer
x = 2,798,381,752.05
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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.