Finding the Fourth Proportional to 3,228,207,870.20, 4,840,894,629.30 and 1,480,829,862.20
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Solution
The fourth proportional to 3,228,207,870.20, 4,840,894,629.30 and 1,480,829,862.20 is: 2,220,594,712.32
Step by Step Solution
- Step 1: Write the proportion equation
3,228,207,870.20 : 4,840,894,629.30 = 1,480,829,862.20 : x - Step 2: Convert to fraction form
3,228,207,870.20/4,840,894,629.30 = 1,480,829,862.20/x - Step 3: Cross multiply
3,228,207,870.20x = 4,840,894,629.30 × 1,480,829,862.20 - Step 4: Simplify right side
3,228,207,870.20x = 7,168,541,326,831,039,488 - Step 5: Solve for x
x = 7,168,541,326,831,039,488/3,228,207,870.20 - Step 6: Final answer
x = 2,220,594,712.32
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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.