Finding the Fourth Proportional to 7,598,005,642.90, 10,485,248,782.18 and 4,211,133,591.95
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Solution
The fourth proportional to 7,598,005,642.90, 10,485,248,782.18 and 4,211,133,591.95 is: 5,811,364,908.35
Step by Step Solution
- Step 1: Write the proportion equation
7,598,005,642.90 : 10,485,248,782.18 = 4,211,133,591.95 : x - Step 2: Convert to fraction form
7,598,005,642.90/10,485,248,782.18 = 4,211,133,591.95/x - Step 3: Cross multiply
7,598,005,642.90x = 10,485,248,782.18 × 4,211,133,591.95 - Step 4: Simplify right side
7,598,005,642.90x = 44,154,783,366,638,215,168 - Step 5: Solve for x
x = 44,154,783,366,638,215,168/7,598,005,642.90 - Step 6: Final answer
x = 5,811,364,908.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.