Finding the Fourth Proportional to 34,686,555,862, 47,867,447,084.92 and 19,649,798,132.72
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Solution
The fourth proportional to 34,686,555,862, 47,867,447,084.92 and 19,649,798,132.72 is: 27,116,721,420.53
Step by Step Solution
- Step 1: Write the proportion equation
34,686,555,862 : 47,867,447,084.92 = 19,649,798,132.72 : x - Step 2: Convert to fraction form
34,686,555,862/47,867,447,084.92 = 19,649,798,132.72/x - Step 3: Cross multiply
34,686,555,862x = 47,867,447,084.92 × 19,649,798,132.72 - Step 4: Simplify right side
34,686,555,862x = 940,585,672,347,334,475,776 - Step 5: Solve for x
x = 940,585,672,347,334,475,776/34,686,555,862 - Step 6: Final answer
x = 27,116,721,420.53
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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.