Finding the Fourth Proportional to 4,480,596,435.40, 6,720,894,653.10 and 1,209,040,390.60
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Solution
The fourth proportional to 4,480,596,435.40, 6,720,894,653.10 and 1,209,040,390.60 is: 1,813,560,585.90
Step by Step Solution
- Step 1: Write the proportion equation
4,480,596,435.40 : 6,720,894,653.10 = 1,209,040,390.60 : x - Step 2: Convert to fraction form
4,480,596,435.40/6,720,894,653.10 = 1,209,040,390.60/x - Step 3: Cross multiply
4,480,596,435.40x = 6,720,894,653.10 × 1,209,040,390.60 - Step 4: Simplify right side
4,480,596,435.40x = 8,125,833,096,565,475,328 - Step 5: Solve for x
x = 8,125,833,096,565,475,328/4,480,596,435.40 - Step 6: Final answer
x = 1,813,560,585.90
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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.