Finding the Fourth Proportional to 1,183,015,907.11, 1,624,013,031.81 and 1,015,461,278.76
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Solution
The fourth proportional to 1,183,015,907.11, 1,624,013,031.81 and 1,015,461,278.76 is: 1,393,998,457.74
Step by Step Solution
- Step 1: Write the proportion equation
1,183,015,907.11 : 1,624,013,031.81 = 1,015,461,278.76 : x - Step 2: Convert to fraction form
1,183,015,907.11/1,624,013,031.81 = 1,015,461,278.76/x - Step 3: Cross multiply
1,183,015,907.11x = 1,624,013,031.81 × 1,015,461,278.76 - Step 4: Simplify right side
1,183,015,907.11x = 1,649,122,349,997,968,384 - Step 5: Solve for x
x = 1,649,122,349,997,968,384/1,183,015,907.11 - Step 6: Final answer
x = 1,393,998,457.74
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.