Finding the Fourth Proportional to 1,568,709,153.40, 2,355,331,211.70 and 1,183,237,281.40
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Solution
The fourth proportional to 1,568,709,153.40, 2,355,331,211.70 and 1,183,237,281.40 is: 1,776,566,225.61
Step by Step Solution
- Step 1: Write the proportion equation
1,568,709,153.40 : 2,355,331,211.70 = 1,183,237,281.40 : x - Step 2: Convert to fraction form
1,568,709,153.40/2,355,331,211.70 = 1,183,237,281.40/x - Step 3: Cross multiply
1,568,709,153.40x = 2,355,331,211.70 × 1,183,237,281.40 - Step 4: Simplify right side
1,568,709,153.40x = 2,786,915,699,728,475,648 - Step 5: Solve for x
x = 2,786,915,699,728,475,648/1,568,709,153.40 - Step 6: Final answer
x = 1,776,566,225.61
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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.