Finding the Fourth Proportional to 2,170,552,507.20, 3,255,848,442.72 and 617,843,218.08
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Solution
The fourth proportional to 2,170,552,507.20, 3,255,848,442.72 and 617,843,218.08 is: 926,770,429.54
Step by Step Solution
- Step 1: Write the proportion equation
2,170,552,507.20 : 3,255,848,442.72 = 617,843,218.08 : x - Step 2: Convert to fraction form
2,170,552,507.20/3,255,848,442.72 = 617,843,218.08/x - Step 3: Cross multiply
2,170,552,507.20x = 3,255,848,442.72 × 617,843,218.08 - Step 4: Simplify right side
2,170,552,507.20x = 2,011,603,879,430,881,280 - Step 5: Solve for x
x = 2,011,603,879,430,881,280/2,170,552,507.20 - Step 6: Final answer
x = 926,770,429.54
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1.5x scale
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.