Finding the Fourth Proportional to 6,457,650,485.44, 8,911,557,328.80 and 3,487,426,450.24
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Solution
The fourth proportional to 6,457,650,485.44, 8,911,557,328.80 and 3,487,426,450.24 is: 4,812,648,317.12
Step by Step Solution
- Step 1: Write the proportion equation
6,457,650,485.44 : 8,911,557,328.80 = 3,487,426,450.24 : x - Step 2: Convert to fraction form
6,457,650,485.44/8,911,557,328.80 = 3,487,426,450.24/x - Step 3: Cross multiply
6,457,650,485.44x = 8,911,557,328.80 × 3,487,426,450.24 - Step 4: Simplify right side
6,457,650,485.44x = 31,078,400,741,287,235,584 - Step 5: Solve for x
x = 31,078,400,741,287,235,584/6,457,650,485.44 - Step 6: Final answer
x = 4,812,648,317.12
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Double scale
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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.