Finding the Fourth Proportional to 3,238,742,475.60, 4,466,124,157.32 and 2,770,394,295.12
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Solution
The fourth proportional to 3,238,742,475.60, 4,466,124,157.32 and 2,770,394,295.12 is: 3,820,286,725.47
Step by Step Solution
- Step 1: Write the proportion equation
3,238,742,475.60 : 4,466,124,157.32 = 2,770,394,295.12 : x - Step 2: Convert to fraction form
3,238,742,475.60/4,466,124,157.32 = 2,770,394,295.12/x - Step 3: Cross multiply
3,238,742,475.60x = 4,466,124,157.32 × 2,770,394,295.12 - Step 4: Simplify right side
3,238,742,475.60x = 12,372,924,886,736,943,104 - Step 5: Solve for x
x = 12,372,924,886,736,943,104/3,238,742,475.60 - Step 6: Final answer
x = 3,820,286,725.47
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1.5x scale
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.