Finding the Fourth Proportional to 3,229,690,881.80, 4,846,803,804.30 and 1,390,763,304.20
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Solution
The fourth proportional to 3,229,690,881.80, 4,846,803,804.30 and 1,390,763,304.20 is: 2,087,121,374.89
Step by Step Solution
- Step 1: Write the proportion equation
3,229,690,881.80 : 4,846,803,804.30 = 1,390,763,304.20 : x - Step 2: Convert to fraction form
3,229,690,881.80/4,846,803,804.30 = 1,390,763,304.20/x - Step 3: Cross multiply
3,229,690,881.80x = 4,846,803,804.30 × 1,390,763,304.20 - Step 4: Simplify right side
3,229,690,881.80x = 6,740,756,873,677,399,040 - Step 5: Solve for x
x = 6,740,756,873,677,399,040/3,229,690,881.80 - Step 6: Final answer
x = 2,087,121,374.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.