Finding the Fourth Proportional to 1,158,993,302.03, 1,599,826,784.09 and 689,093,501.99
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Solution
The fourth proportional to 1,158,993,302.03, 1,599,826,784.09 and 689,093,501.99 is: 951,196,386.79
Step by Step Solution
- Step 1: Write the proportion equation
1,158,993,302.03 : 1,599,826,784.09 = 689,093,501.99 : x - Step 2: Convert to fraction form
1,158,993,302.03/1,599,826,784.09 = 689,093,501.99/x - Step 3: Cross multiply
1,158,993,302.03x = 1,599,826,784.09 × 689,093,501.99 - Step 4: Simplify right side
1,158,993,302.03x = 1,102,430,241,214,533,120 - Step 5: Solve for x
x = 1,102,430,241,214,533,120/1,158,993,302.03 - Step 6: Final answer
x = 951,196,386.79
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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.