Finding the Fourth Proportional to 1,973,214,809.22, 2,722,366,073.60 and 1,125,833,380.28
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Solution
The fourth proportional to 1,973,214,809.22, 2,722,366,073.60 and 1,125,833,380.28 is: 1,553,267,583.79
Step by Step Solution
- Step 1: Write the proportion equation
1,973,214,809.22 : 2,722,366,073.60 = 1,125,833,380.28 : x - Step 2: Convert to fraction form
1,973,214,809.22/2,722,366,073.60 = 1,125,833,380.28/x - Step 3: Cross multiply
1,973,214,809.22x = 2,722,366,073.60 × 1,125,833,380.28 - Step 4: Simplify right side
1,973,214,809.22x = 3,064,930,599,011,307,008 - Step 5: Solve for x
x = 3,064,930,599,011,307,008/1,973,214,809.22 - Step 6: Final answer
x = 1,553,267,583.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.