Finding the Fourth Proportional to 2,776,476,947.11, 3,831,538,229.64 and 1,587,071,682.70
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Solution
The fourth proportional to 2,776,476,947.11, 3,831,538,229.64 and 1,587,071,682.70 is: 2,190,158,946.49
Step by Step Solution
- Step 1: Write the proportion equation
2,776,476,947.11 : 3,831,538,229.64 = 1,587,071,682.70 : x - Step 2: Convert to fraction form
2,776,476,947.11/3,831,538,229.64 = 1,587,071,682.70/x - Step 3: Cross multiply
2,776,476,947.11x = 3,831,538,229.64 × 1,587,071,682.70 - Step 4: Simplify right side
2,776,476,947.11x = 6,080,925,825,434,554,368 - Step 5: Solve for x
x = 6,080,925,825,434,554,368/2,776,476,947.11 - Step 6: Final answer
x = 2,190,158,946.49
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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.