Finding the Fourth Proportional to 715,693,621.30, 1,073,540,431.95 and 532,027,611.70
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Solution
The fourth proportional to 715,693,621.30, 1,073,540,431.95 and 532,027,611.70 is: 798,041,417.55
Step by Step Solution
- Step 1: Write the proportion equation
715,693,621.30 : 1,073,540,431.95 = 532,027,611.70 : x - Step 2: Convert to fraction form
715,693,621.30/1,073,540,431.95 = 532,027,611.70/x - Step 3: Cross multiply
715,693,621.30x = 1,073,540,431.95 × 532,027,611.70 - Step 4: Simplify right side
715,693,621.30x = 571,153,152,073,744,896 - Step 5: Solve for x
x = 571,153,152,073,744,896/715,693,621.30 - Step 6: Final answer
x = 798,041,417.55
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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.