Finding the Fourth Proportional to 27,295,488,015.80, 40,943,232,023.70 and 12,602,207,247.80
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Solution
The fourth proportional to 27,295,488,015.80, 40,943,232,023.70 and 12,602,207,247.80 is: 18,903,310,871.70
Step by Step Solution
- Step 1: Write the proportion equation
27,295,488,015.80 : 40,943,232,023.70 = 12,602,207,247.80 : x - Step 2: Convert to fraction form
27,295,488,015.80/40,943,232,023.70 = 12,602,207,247.80/x - Step 3: Cross multiply
27,295,488,015.80x = 40,943,232,023.70 × 12,602,207,247.80 - Step 4: Simplify right side
27,295,488,015.80x = 515,975,095,357,429,121,024 - Step 5: Solve for x
x = 515,975,095,357,429,121,024/27,295,488,015.80 - Step 6: Final answer
x = 18,903,310,871.70
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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.