Finding the Fourth Proportional to 1,133,834,006.08, 1,564,690,915.68 and 612,313,238.08
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Solution
The fourth proportional to 1,133,834,006.08, 1,564,690,915.68 and 612,313,238.08 is: 844,992,261.69
Step by Step Solution
- Step 1: Write the proportion equation
1,133,834,006.08 : 1,564,690,915.68 = 612,313,238.08 : x - Step 2: Convert to fraction form
1,133,834,006.08/1,564,690,915.68 = 612,313,238.08/x - Step 3: Cross multiply
1,133,834,006.08x = 1,564,690,915.68 × 612,313,238.08 - Step 4: Simplify right side
1,133,834,006.08x = 958,080,961,174,381,184 - Step 5: Solve for x
x = 958,080,961,174,381,184/1,133,834,006.08 - Step 6: Final answer
x = 844,992,261.69
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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.