Finding the Fourth Proportional to 1,347,816,104.21, 2,021,825,808.59 and 402,339,541.68
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Solution
The fourth proportional to 1,347,816,104.21, 2,021,825,808.59 and 402,339,541.68 is: 603,539,656.96
Step by Step Solution
- Step 1: Write the proportion equation
1,347,816,104.21 : 2,021,825,808.59 = 402,339,541.68 : x - Step 2: Convert to fraction form
1,347,816,104.21/2,021,825,808.59 = 402,339,541.68/x - Step 3: Cross multiply
1,347,816,104.21x = 2,021,825,808.59 × 402,339,541.68 - Step 4: Simplify right side
1,347,816,104.21x = 813,460,469,182,884,352 - Step 5: Solve for x
x = 813,460,469,182,884,352/1,347,816,104.21 - Step 6: Final answer
x = 603,539,656.96
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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.