Finding the Fourth Proportional to 283,629,319.12, 391,408,456.14 and 153,249,127.12
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Solution
The fourth proportional to 283,629,319.12, 391,408,456.14 and 153,249,127.12 is: 211,483,793.13
Step by Step Solution
- Step 1: Write the proportion equation
283,629,319.12 : 391,408,456.14 = 153,249,127.12 : x - Step 2: Convert to fraction form
283,629,319.12/391,408,456.14 = 153,249,127.12/x - Step 3: Cross multiply
283,629,319.12x = 391,408,456.14 × 153,249,127.12 - Step 4: Simplify right side
283,629,319.12x = 59,983,004,250,841,808 - Step 5: Solve for x
x = 59,983,004,250,841,808/283,629,319.12 - Step 6: Final answer
x = 211,483,793.13
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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.