Finding the Fourth Proportional to 6,461,393,325.91, 8,917,408,314.27 and 3,787,420,137.64
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Solution
The fourth proportional to 6,461,393,325.91, 8,917,408,314.27 and 3,787,420,137.64 is: 5,227,041,618.03
Step by Step Solution
- Step 1: Write the proportion equation
6,461,393,325.91 : 8,917,408,314.27 = 3,787,420,137.64 : x - Step 2: Convert to fraction form
6,461,393,325.91/8,917,408,314.27 = 3,787,420,137.64/x - Step 3: Cross multiply
6,461,393,325.91x = 8,917,408,314.27 × 3,787,420,137.64 - Step 4: Simplify right side
6,461,393,325.91x = 33,773,971,825,003,163,648 - Step 5: Solve for x
x = 33,773,971,825,003,163,648/6,461,393,325.91 - Step 6: Final answer
x = 5,227,041,618.03
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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.