Finding the Fourth Proportional to 772,226,738.64, 1,156,789,184.76 and 357,121,722.96
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Solution
The fourth proportional to 772,226,738.64, 1,156,789,184.76 and 357,121,722.96 is: 534,965,349.03
Step by Step Solution
- Step 1: Write the proportion equation
772,226,738.64 : 1,156,789,184.76 = 357,121,722.96 : x - Step 2: Convert to fraction form
772,226,738.64/1,156,789,184.76 = 357,121,722.96/x - Step 3: Cross multiply
772,226,738.64x = 1,156,789,184.76 × 357,121,722.96 - Step 4: Simplify right side
772,226,738.64x = 413,114,546,762,984,960 - Step 5: Solve for x
x = 413,114,546,762,984,960/772,226,738.64 - Step 6: Final answer
x = 534,965,349.03
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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.