Finding the Fourth Proportional to 1,038,461,106.87, 1,433,019,559.50 and 568,471,511.79
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Solution
The fourth proportional to 1,038,461,106.87, 1,433,019,559.50 and 568,471,511.79 is: 784,459,610.50
Step by Step Solution
- Step 1: Write the proportion equation
1,038,461,106.87 : 1,433,019,559.50 = 568,471,511.79 : x - Step 2: Convert to fraction form
1,038,461,106.87/1,433,019,559.50 = 568,471,511.79/x - Step 3: Cross multiply
1,038,461,106.87x = 1,433,019,559.50 × 568,471,511.79 - Step 4: Simplify right side
1,038,461,106.87x = 814,630,795,413,604,864 - Step 5: Solve for x
x = 814,630,795,413,604,864/1,038,461,106.87 - Step 6: Final answer
x = 784,459,610.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.