Finding the Fourth Proportional to 889,489,506.60, 1,334,234,259.90 and 243,257,250.60
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Solution
The fourth proportional to 889,489,506.60, 1,334,234,259.90 and 243,257,250.60 is: 364,885,875.90
Step by Step Solution
- Step 1: Write the proportion equation
889,489,506.60 : 1,334,234,259.90 = 243,257,250.60 : x - Step 2: Convert to fraction form
889,489,506.60/1,334,234,259.90 = 243,257,250.60/x - Step 3: Cross multiply
889,489,506.60x = 1,334,234,259.90 × 243,257,250.60 - Step 4: Simplify right side
889,489,506.60x = 324,562,157,719,599,872 - Step 5: Solve for x
x = 324,562,157,719,599,872/889,489,506.60 - Step 6: Final answer
x = 364,885,875.90
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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.