Finding the Fourth Proportional to 1,889,569,587.30, 2,834,354,380.95 and 1,717,240,985.70
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Solution
The fourth proportional to 1,889,569,587.30, 2,834,354,380.95 and 1,717,240,985.70 is: 2,575,861,478.55
Step by Step Solution
- Step 1: Write the proportion equation
1,889,569,587.30 : 2,834,354,380.95 = 1,717,240,985.70 : x - Step 2: Convert to fraction form
1,889,569,587.30/2,834,354,380.95 = 1,717,240,985.70/x - Step 3: Cross multiply
1,889,569,587.30x = 2,834,354,380.95 × 1,717,240,985.70 - Step 4: Simplify right side
1,889,569,587.30x = 4,867,269,510,965,691,392 - Step 5: Solve for x
x = 4,867,269,510,965,691,392/1,889,569,587.30 - Step 6: Final answer
x = 2,575,861,478.55
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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.