Finding the Fourth Proportional to 40,782,376,125.41, 56,272,207,961.94 and 22,717,442,777.54
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Solution
The fourth proportional to 40,782,376,125.41, 56,272,207,961.94 and 22,717,442,777.54 is: 31,345,909,331.28
Step by Step Solution
- Step 1: Write the proportion equation
40,782,376,125.41 : 56,272,207,961.94 = 22,717,442,777.54 : x - Step 2: Convert to fraction form
40,782,376,125.41/56,272,207,961.94 = 22,717,442,777.54/x - Step 3: Cross multiply
40,782,376,125.41x = 56,272,207,961.94 × 22,717,442,777.54 - Step 4: Simplify right side
40,782,376,125.41x = 1,278,360,664,341,202,862,080 - Step 5: Solve for x
x = 1,278,360,664,341,202,862,080/40,782,376,125.41 - Step 6: Final answer
x = 31,345,909,331.28
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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.