Finding the Fourth Proportional to 1,858,201,704.10, 2,787,302,556.15 and 1,031,704,660.90
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Solution
The fourth proportional to 1,858,201,704.10, 2,787,302,556.15 and 1,031,704,660.90 is: 1,547,556,991.35
Step by Step Solution
- Step 1: Write the proportion equation
1,858,201,704.10 : 2,787,302,556.15 = 1,031,704,660.90 : x - Step 2: Convert to fraction form
1,858,201,704.10/2,787,302,556.15 = 1,031,704,660.90/x - Step 3: Cross multiply
1,858,201,704.10x = 2,787,302,556.15 × 1,031,704,660.90 - Step 4: Simplify right side
1,858,201,704.10x = 2,875,673,038,518,438,912 - Step 5: Solve for x
x = 2,875,673,038,518,438,912/1,858,201,704.10 - Step 6: Final answer
x = 1,547,556,991.35
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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.