Finding the Fourth Proportional to 1,972,323,881.04, 2,721,851,014.56 and 1,125,534,344.52
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Solution
The fourth proportional to 1,972,323,881.04, 2,721,851,014.56 and 1,125,534,344.52 is: 1,553,262,538.17
Step by Step Solution
- Step 1: Write the proportion equation
1,972,323,881.04 : 2,721,851,014.56 = 1,125,534,344.52 : x - Step 2: Convert to fraction form
1,972,323,881.04/2,721,851,014.56 = 1,125,534,344.52/x - Step 3: Cross multiply
1,972,323,881.04x = 2,721,851,014.56 × 1,125,534,344.52 - Step 4: Simplify right side
1,972,323,881.04x = 3,063,536,797,553,886,208 - Step 5: Solve for x
x = 3,063,536,797,553,886,208/1,972,323,881.04 - Step 6: Final answer
x = 1,553,262,538.17
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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.