Finding the Fourth Proportional to 652,845,901.70, 915,193,585.90 and 652,845,901.70
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Solution
The fourth proportional to 652,845,901.70, 915,193,585.90 and 652,845,901.70 is: 915,193,585.90
Step by Step Solution
- Step 1: Write the proportion equation
652,845,901.70 : 915,193,585.90 = 652,845,901.70 : x - Step 2: Convert to fraction form
652,845,901.70/915,193,585.90 = 652,845,901.70/x - Step 3: Cross multiply
652,845,901.70x = 915,193,585.90 × 652,845,901.70 - Step 4: Simplify right side
652,845,901.70x = 597,480,381,816,941,952 - Step 5: Solve for x
x = 597,480,381,816,941,952/652,845,901.70 - Step 6: Final answer
x = 915,193,585.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.