Finding the Fourth Proportional to 2,185,433,101.80, 3,278,149,652.70 and 1,488,076,221.60
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Solution
The fourth proportional to 2,185,433,101.80, 3,278,149,652.70 and 1,488,076,221.60 is: 2,232,114,332.40
Step by Step Solution
- Step 1: Write the proportion equation
2,185,433,101.80 : 3,278,149,652.70 = 1,488,076,221.60 : x - Step 2: Convert to fraction form
2,185,433,101.80/3,278,149,652.70 = 1,488,076,221.60/x - Step 3: Cross multiply
2,185,433,101.80x = 3,278,149,652.70 × 1,488,076,221.60 - Step 4: Simplify right side
2,185,433,101.80x = 4,878,136,549,029,168,128 - Step 5: Solve for x
x = 4,878,136,549,029,168,128/2,185,433,101.80 - Step 6: Final answer
x = 2,232,114,332.40
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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.