Finding the Fourth Proportional to 2,453,672,125.20, 3,680,413,709.40 and 817,896,727.20
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Solution
The fourth proportional to 2,453,672,125.20, 3,680,413,709.40 and 817,896,727.20 is: 1,226,813,597.77
Step by Step Solution
- Step 1: Write the proportion equation
2,453,672,125.20 : 3,680,413,709.40 = 817,896,727.20 : x - Step 2: Convert to fraction form
2,453,672,125.20/3,680,413,709.40 = 817,896,727.20/x - Step 3: Cross multiply
2,453,672,125.20x = 3,680,413,709.40 × 817,896,727.20 - Step 4: Simplify right side
2,453,672,125.20x = 3,010,198,327,660,272,128 - Step 5: Solve for x
x = 3,010,198,327,660,272,128/2,453,672,125.20 - Step 6: Final answer
x = 1,226,813,597.77
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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.