Finding the Fourth Proportional to 808,647,967.10, 1,212,971,950.65 and 776,903,224.70
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Solution
The fourth proportional to 808,647,967.10, 1,212,971,950.65 and 776,903,224.70 is: 1,165,354,837.05
Step by Step Solution
- Step 1: Write the proportion equation
808,647,967.10 : 1,212,971,950.65 = 776,903,224.70 : x - Step 2: Convert to fraction form
808,647,967.10/1,212,971,950.65 = 776,903,224.70/x - Step 3: Cross multiply
808,647,967.10x = 1,212,971,950.65 × 776,903,224.70 - Step 4: Simplify right side
808,647,967.10x = 942,361,819,930,634,368 - Step 5: Solve for x
x = 942,361,819,930,634,368/808,647,967.10 - Step 6: Final answer
x = 1,165,354,837.05
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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.