Finding the Fourth Proportional to 1,889,576,502.20, 2,834,364,753.30 and 971,246,454.20
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Solution
The fourth proportional to 1,889,576,502.20, 2,834,364,753.30 and 971,246,454.20 is: 1,456,869,681.30
Step by Step Solution
- Step 1: Write the proportion equation
1,889,576,502.20 : 2,834,364,753.30 = 971,246,454.20 : x - Step 2: Convert to fraction form
1,889,576,502.20/2,834,364,753.30 = 971,246,454.20/x - Step 3: Cross multiply
1,889,576,502.20x = 2,834,364,753.30 × 971,246,454.20 - Step 4: Simplify right side
1,889,576,502.20x = 2,752,866,716,552,082,944 - Step 5: Solve for x
x = 2,752,866,716,552,082,944/1,889,576,502.20 - Step 6: Final answer
x = 1,456,869,681.30
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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.