Finding the Fourth Proportional to 663,553,006.60, 995,329,509.90 and 203,487,521.80
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Solution
The fourth proportional to 663,553,006.60, 995,329,509.90 and 203,487,521.80 is: 305,231,282.70
Step by Step Solution
- Step 1: Write the proportion equation
663,553,006.60 : 995,329,509.90 = 203,487,521.80 : x - Step 2: Convert to fraction form
663,553,006.60/995,329,509.90 = 203,487,521.80/x - Step 3: Cross multiply
663,553,006.60x = 995,329,509.90 × 203,487,521.80 - Step 4: Simplify right side
663,553,006.60x = 202,537,135,343,959,584 - Step 5: Solve for x
x = 202,537,135,343,959,584/663,553,006.60 - Step 6: Final answer
x = 305,231,282.70
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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.