Finding the Fourth Proportional to 9,076,484,454.12, 12,525,549,070.14 and 4,904,318,310.12
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Solution
The fourth proportional to 9,076,484,454.12, 12,525,549,070.14 and 4,904,318,310.12 is: 6,767,959,550.80
Step by Step Solution
- Step 1: Write the proportion equation
9,076,484,454.12 : 12,525,549,070.14 = 4,904,318,310.12 : x - Step 2: Convert to fraction form
9,076,484,454.12/12,525,549,070.14 = 4,904,318,310.12/x - Step 3: Cross multiply
9,076,484,454.12x = 12,525,549,070.14 × 4,904,318,310.12 - Step 4: Simplify right side
9,076,484,454.12x = 61,429,279,648,994,140,160 - Step 5: Solve for x
x = 61,429,279,648,994,140,160/9,076,484,454.12 - Step 6: Final answer
x = 6,767,959,550.80
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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.