Finding the Fourth Proportional to 1,909,079,163.63, 2,634,225,698.79 and 1,073,542,374.63
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Solution
The fourth proportional to 1,909,079,163.63, 2,634,225,698.79 and 1,073,542,374.63 is: 1,481,317,781.82
Step by Step Solution
- Step 1: Write the proportion equation
1,909,079,163.63 : 2,634,225,698.79 = 1,073,542,374.63 : x - Step 2: Convert to fraction form
1,909,079,163.63/2,634,225,698.79 = 1,073,542,374.63/x - Step 3: Cross multiply
1,909,079,163.63x = 2,634,225,698.79 × 1,073,542,374.63 - Step 4: Simplify right side
1,909,079,163.63x = 2,827,952,911,990,387,712 - Step 5: Solve for x
x = 2,827,952,911,990,387,712/1,909,079,163.63 - Step 6: Final answer
x = 1,481,317,781.82
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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.