Finding the Fourth Proportional to 1,696,674,237.60, 2,544,985,746.44 and 763,337,993.92
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Solution
The fourth proportional to 1,696,674,237.60, 2,544,985,746.44 and 763,337,993.92 is: 1,144,995,468.89
Step by Step Solution
- Step 1: Write the proportion equation
1,696,674,237.60 : 2,544,985,746.44 = 763,337,993.92 : x - Step 2: Convert to fraction form
1,696,674,237.60/2,544,985,746.44 = 763,337,993.92/x - Step 3: Cross multiply
1,696,674,237.60x = 2,544,985,746.44 × 763,337,993.92 - Step 4: Simplify right side
1,696,674,237.60x = 1,942,684,314,242,503,424 - Step 5: Solve for x
x = 1,942,684,314,242,503,424/1,696,674,237.60 - Step 6: Final answer
x = 1,144,995,468.89
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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.