Finding the Fourth Proportional to 747,933,011.08, 1,121,955,867.06 and 223,260,650.68
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Solution
The fourth proportional to 747,933,011.08, 1,121,955,867.06 and 223,260,650.68 is: 334,907,796.83
Step by Step Solution
- Step 1: Write the proportion equation
747,933,011.08 : 1,121,955,867.06 = 223,260,650.68 : x - Step 2: Convert to fraction form
747,933,011.08/1,121,955,867.06 = 223,260,650.68/x - Step 3: Cross multiply
747,933,011.08x = 1,121,955,867.06 × 223,260,650.68 - Step 4: Simplify right side
747,933,011.08x = 250,488,596,914,059,168 - Step 5: Solve for x
x = 250,488,596,914,059,168/747,933,011.08 - Step 6: Final answer
x = 334,907,796.83
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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.