Finding the Fourth Proportional to 1,505,497,639.67, 2,257,995,986.00 and 455,986,317.67
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Solution
The fourth proportional to 1,505,497,639.67, 2,257,995,986.00 and 455,986,317.67 is: 683,903,612.89
Step by Step Solution
- Step 1: Write the proportion equation
1,505,497,639.67 : 2,257,995,986.00 = 455,986,317.67 : x - Step 2: Convert to fraction form
1,505,497,639.67/2,257,995,986.00 = 455,986,317.67/x - Step 3: Cross multiply
1,505,497,639.67x = 2,257,995,986.00 × 455,986,317.67 - Step 4: Simplify right side
1,505,497,639.67x = 1,029,615,274,961,856,000 - Step 5: Solve for x
x = 1,029,615,274,961,856,000/1,505,497,639.67 - Step 6: Final answer
x = 683,903,612.89
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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.