Finding the Fourth Proportional to 1,488,374,454.87, 2,232,898,027.11 and 492,393,147.95
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Solution
The fourth proportional to 1,488,374,454.87, 2,232,898,027.11 and 492,393,147.95 is: 738,700,993.58
Step by Step Solution
- Step 1: Write the proportion equation
1,488,374,454.87 : 2,232,898,027.11 = 492,393,147.95 : x - Step 2: Convert to fraction form
1,488,374,454.87/2,232,898,027.11 = 492,393,147.95/x - Step 3: Cross multiply
1,488,374,454.87x = 2,232,898,027.11 × 492,393,147.95 - Step 4: Simplify right side
1,488,374,454.87x = 1,099,463,688,625,619,584 - Step 5: Solve for x
x = 1,099,463,688,625,619,584/1,488,374,454.87 - Step 6: Final answer
x = 738,700,993.58
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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.