Finding the Fourth Proportional to 995,329,660.80, 1,492,994,491.20 and 348,864,124.80
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Solution
The fourth proportional to 995,329,660.80, 1,492,994,491.20 and 348,864,124.80 is: 523,296,187.20
Step by Step Solution
- Step 1: Write the proportion equation
995,329,660.80 : 1,492,994,491.20 = 348,864,124.80 : x - Step 2: Convert to fraction form
995,329,660.80/1,492,994,491.20 = 348,864,124.80/x - Step 3: Cross multiply
995,329,660.80x = 1,492,994,491.20 × 348,864,124.80 - Step 4: Simplify right side
995,329,660.80x = 520,852,216,503,709,312 - Step 5: Solve for x
x = 520,852,216,503,709,312/995,329,660.80 - Step 6: Final answer
x = 523,296,187.20
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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.