Finding the Fourth Proportional to 6,461,393,328.92, 8,917,408,318.41 and 3,787,420,140.65
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Solution
The fourth proportional to 6,461,393,328.92, 8,917,408,318.41 and 3,787,420,140.65 is: 5,227,041,622.18
Step by Step Solution
- Step 1: Write the proportion equation
6,461,393,328.92 : 8,917,408,318.41 = 3,787,420,140.65 : x - Step 2: Convert to fraction form
6,461,393,328.92/8,917,408,318.41 = 3,787,420,140.65/x - Step 3: Cross multiply
6,461,393,328.92x = 8,917,408,318.41 × 3,787,420,140.65 - Step 4: Simplify right side
6,461,393,328.92x = 33,773,971,867,501,293,568 - Step 5: Solve for x
x = 33,773,971,867,501,293,568/6,461,393,328.92 - Step 6: Final answer
x = 5,227,041,622.18
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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.