Finding the Fourth Proportional to 6,457,518,312.30, 8,911,375,382.97 and 3,487,294,563.30
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Solution
The fourth proportional to 6,457,518,312.30, 8,911,375,382.97 and 3,487,294,563.30 is: 4,812,466,557.84
Step by Step Solution
- Step 1: Write the proportion equation
6,457,518,312.30 : 8,911,375,382.97 = 3,487,294,563.30 : x - Step 2: Convert to fraction form
6,457,518,312.30/8,911,375,382.97 = 3,487,294,563.30/x - Step 3: Cross multiply
6,457,518,312.30x = 8,911,375,382.97 × 3,487,294,563.30 - Step 4: Simplify right side
6,457,518,312.30x = 31,076,590,924,556,734,464 - Step 5: Solve for x
x = 31,076,590,924,556,734,464/6,457,518,312.30 - Step 6: Final answer
x = 4,812,466,557.84
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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.