Finding the Fourth Proportional to 1,972,323,841.56, 2,721,850,960.04 and 1,125,534,304.96
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Solution
The fourth proportional to 1,972,323,841.56, 2,721,850,960.04 and 1,125,534,304.96 is: 1,553,262,483.55
Step by Step Solution
- Step 1: Write the proportion equation
1,972,323,841.56 : 2,721,850,960.04 = 1,125,534,304.96 : x - Step 2: Convert to fraction form
1,972,323,841.56/2,721,850,960.04 = 1,125,534,304.96/x - Step 3: Cross multiply
1,972,323,841.56x = 2,721,850,960.04 × 1,125,534,304.96 - Step 4: Simplify right side
1,972,323,841.56x = 3,063,536,628,513,330,176 - Step 5: Solve for x
x = 3,063,536,628,513,330,176/1,972,323,841.56 - Step 6: Final answer
x = 1,553,262,483.55
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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.