Finding the Fourth Proportional to 1,516,293,117.87, 2,274,554,035.60 and 452,631,985.02
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Solution
The fourth proportional to 1,516,293,117.87, 2,274,554,035.60 and 452,631,985.02 is: 678,982,115.02
Step by Step Solution
- Step 1: Write the proportion equation
1,516,293,117.87 : 2,274,554,035.60 = 452,631,985.02 : x - Step 2: Convert to fraction form
1,516,293,117.87/2,274,554,035.60 = 452,631,985.02/x - Step 3: Cross multiply
1,516,293,117.87x = 2,274,554,035.60 × 452,631,985.02 - Step 4: Simplify right side
1,516,293,117.87x = 1,029,535,908,155,243,648 - Step 5: Solve for x
x = 1,029,535,908,155,243,648/1,516,293,117.87 - Step 6: Final answer
x = 678,982,115.02
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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.