Finding the Fourth Proportional to 2,961,339,818.34, 4,441,964,887.58 and 720,408,235.76
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Solution
The fourth proportional to 2,961,339,818.34, 4,441,964,887.58 and 720,408,235.76 is: 1,080,601,445.37
Step by Step Solution
- Step 1: Write the proportion equation
2,961,339,818.34 : 4,441,964,887.58 = 720,408,235.76 : x - Step 2: Convert to fraction form
2,961,339,818.34/4,441,964,887.58 = 720,408,235.76/x - Step 3: Cross multiply
2,961,339,818.34x = 4,441,964,887.58 × 720,408,235.76 - Step 4: Simplify right side
2,961,339,818.34x = 3,200,028,087,943,562,752 - Step 5: Solve for x
x = 3,200,028,087,943,562,752/2,961,339,818.34 - Step 6: Final answer
x = 1,080,601,445.37
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1.5x scale
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.