Finding the Fourth Proportional to 3,313,621,248.96, 4,969,140,140.52 and 1,242,212,772
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Solution
The fourth proportional to 3,313,621,248.96, 4,969,140,140.52 and 1,242,212,772 is: 1,862,834,912.21
Step by Step Solution
- Step 1: Write the proportion equation
3,313,621,248.96 : 4,969,140,140.52 = 1,242,212,772 : x - Step 2: Convert to fraction form
3,313,621,248.96/4,969,140,140.52 = 1,242,212,772/x - Step 3: Cross multiply
3,313,621,248.96x = 4,969,140,140.52 × 1,242,212,772 - Step 4: Simplify right side
3,313,621,248.96x = 6,172,729,348,411,819,008 - Step 5: Solve for x
x = 6,172,729,348,411,819,008/3,313,621,248.96 - Step 6: Final answer
x = 1,862,834,912.21
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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.