Finding the Fourth Proportional to 2,141,956,009.80, 3,212,847,630.87 and 1,092,671,195.67
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Solution
The fourth proportional to 2,141,956,009.80, 3,212,847,630.87 and 1,092,671,195.67 is: 1,638,962,726.72
Step by Step Solution
- Step 1: Write the proportion equation
2,141,956,009.80 : 3,212,847,630.87 = 1,092,671,195.67 : x - Step 2: Convert to fraction form
2,141,956,009.80/3,212,847,630.87 = 1,092,671,195.67/x - Step 3: Cross multiply
2,141,956,009.80x = 3,212,847,630.87 × 1,092,671,195.67 - Step 4: Simplify right side
2,141,956,009.80x = 3,510,586,062,328,249,856 - Step 5: Solve for x
x = 3,510,586,062,328,249,856/2,141,956,009.80 - Step 6: Final answer
x = 1,638,962,726.72
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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.