Finding the Fourth Proportional to 283,629,316.11, 391,408,452 and 153,249,124.11
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Solution
The fourth proportional to 283,629,316.11, 391,408,452 and 153,249,124.11 is: 211,483,788.99
Step by Step Solution
- Step 1: Write the proportion equation
283,629,316.11 : 391,408,452 = 153,249,124.11 : x - Step 2: Convert to fraction form
283,629,316.11/391,408,452 = 153,249,124.11/x - Step 3: Cross multiply
283,629,316.11x = 391,408,452 × 153,249,124.11 - Step 4: Simplify right side
283,629,316.11x = 59,983,002,438,250,984 - Step 5: Solve for x
x = 59,983,002,438,250,984/283,629,316.11 - Step 6: Final answer
x = 211,483,788.99
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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.