Finding the Fourth Proportional to 1,488,883,757.59, 2,232,291,418.06 and 659,385,385.75
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Solution
The fourth proportional to 1,488,883,757.59, 2,232,291,418.06 and 659,385,385.75 is: 988,620,051.97
Step by Step Solution
- Step 1: Write the proportion equation
1,488,883,757.59 : 2,232,291,418.06 = 659,385,385.75 : x - Step 2: Convert to fraction form
1,488,883,757.59/2,232,291,418.06 = 659,385,385.75/x - Step 3: Cross multiply
1,488,883,757.59x = 2,232,291,418.06 × 659,385,385.75 - Step 4: Simplify right side
1,488,883,757.59x = 1,471,940,337,803,907,584 - Step 5: Solve for x
x = 1,471,940,337,803,907,584/1,488,883,757.59 - Step 6: Final answer
x = 988,620,051.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.