Finding the Fourth Proportional to 1,093,068,197.60, 1,639,602,296.40 and 987,630,303.20
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Solution
The fourth proportional to 1,093,068,197.60, 1,639,602,296.40 and 987,630,303.20 is: 1,481,445,454.80
Step by Step Solution
- Step 1: Write the proportion equation
1,093,068,197.60 : 1,639,602,296.40 = 987,630,303.20 : x - Step 2: Convert to fraction form
1,093,068,197.60/1,639,602,296.40 = 987,630,303.20/x - Step 3: Cross multiply
1,093,068,197.60x = 1,639,602,296.40 × 987,630,303.20 - Step 4: Simplify right side
1,093,068,197.60x = 1,619,320,913,120,948,480 - Step 5: Solve for x
x = 1,619,320,913,120,948,480/1,093,068,197.60 - Step 6: Final answer
x = 1,481,445,454.80
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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.